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Comeback Wins and Blown Lead Losses - 2003-2019 MLB

Updated: Feb 10, 2020

"You're losing the game at one point but come from behind and win -or- you're winning the game at one point but end up losing. Which team in the AL had the BEST improvement between the first half of the season and the second half of the season between 2003 and 2019? A positive value indicates the team did better. A negative value, the team did worse.

From July till the end of the season

AL:

Best: Anaheim Angels ZScore 1.87

Worst: Boston Red Sox: -1.40


NL:

Best: St. Louis Cardinals Zscore 1.61

Worst: Milwaukee Brewers: -2.04



If you want to see the significance again of the ZScore and what it can be telling you, please see:https://baseballfan999.wixsite.com/baseballdat/post/what-does-the-zscore-tell-you

Most improved Team in 2nd half of season compared to their first half with comeback wins.



Comeback win zscore totals comparing first and 2nd half to each other.

1st half (Mar-June) and 2nd (July - End) half side by side. The widest gap where Orange > Blue indicates most improved.





ZScore (comeback wins/blown lead losses) between 1st/2nd half of season. Positive Value for Wins (Blue/Green) is good. Negative Value for Losses (Orange/Red) is good.

The figures based on this time frame 2003-2019

Green = Most improved NL and AL "devil magic" teams in 2nd half of season

Red = Most declined



Second Half Improvement:
    Team  ZScoreTotalImprovement
0   BAL               -0.543654
1   NYA               -0.028095
2   BOS               -1.407667
3   HOU               -0.150433
4   MIL               -2.036319
5   MIN               -0.680293
6   DET               -0.622955
7   CHA               -0.065862
8   CLE                0.985527
9   KCA                0.990216
10  TEX               -0.229916
11  OAK                1.242775
12  CIN               -0.423949
13  SLN                1.614927
14  PIT                0.430762
15  CHN                1.182800
16  SFN               -0.976023
17  SDN               -1.019447
18  LAN                0.194181
19  PHI                0.390148
20  NYN                0.220348
21  ATL               -0.656144
22  TOR               -1.217810
23  SEA               -0.838622
24  ANA                1.876628
25  TBA                0.110666
26  WAS                0.956875
27  ARI               -0.018894
28  COL                0.619916
29  MIA                0.100315

Total wins and Late Inn rally wins for first half and second half of season
    Team  FirstHalfTotW  FirstHalfRallyW  SecondHalfTotW  SecondHalfRallyW
0   BAL            624              243             625               228
1   NYA            766              284             835               327
2   BOS            773              261             759               277
3   HOU            673              252             699               235
4   MIL            681              257             687               233
5   MIN            672              273             708               282
6   DET            667              243             644               235
7   CHA            674              261             667               249
8   CLE            672              225             744               253
9   KCA            590              227             636               252
10  TEX            713              261             690               252
11  OAK            695              239             738               278
12  CIN            650              245             647               243
13  SLN            737              237             790               276
14  PIT            635              242             635               240
15  CHN            666              230             738               243
16  SFN            697              262             697               252
17  SDN            637              262             650               219
18  LAN            744              265             773               268
19  PHI            664              251             742               288
20  NYN            667              226             690               221
21  ATL            709              260             742               251
22  TOR            682              248             676               251
23  SEA            663              242             632               248
24  ANA            717              245             749               285
25  TBA            669              236             699               260
26  WAS            664              231             708               226
27  ARI            673              257             650               244
28  COL            641              239             652               251
29  MIA            630              239             654               225

Total losses and Late Inn losses for first half and second half of season
    Team  FirstHalfTotL  FirstHalfBlownL  SecondHalfTotL  SecondHalfBlownL
0   BAL            724              276             781               291
1   NYA            573              208             581               222
2   BOS            587              209             635               264
3   HOU            697              264             685               254
4   MIL            677              237             709               285
5   MIN            668              241             708               260
6   DET            675              261             766               283
7   CHA            670              278             743               267
8   CLE            675              242             661               244
9   KCA            753              269             775               272
10  TEX            648              246             704               238
11  OAK            671              255             649               252
12  CIN            706              251             752               268
13  SLN            616              236             610               216
14  PIT            712              258             769               245
15  CHN            680              239             669               215
16  SFN            666              239             692               257
17  SDN            730              253             738               243
18  LAN            624              221             613               201
19  PHI            692              230             656               246
20  NYN            683              264             713               267
21  ATL            651              225             651               230
22  TOR            689              226             706               272
23  SEA            699              237             760               277
24  ANA            648              246             640               214
25  TBA            693              255             693               283
26  WAS            693              267             687               239
27  ARI            699              275             732               263
28  COL            723              267             740               264
29  MIA            725              269             742               261
   Team  ZScoresRallyWinsFirstHalf  ZScoresRallyWinsSecondHalf
0   BAL                  -0.356063                   -1.070734
1   NYA                   2.506407                    3.158096
2   BOS                   0.900631                    1.022323
3   HOU                   0.272284                   -0.771726
4   MIL                   0.621366                   -0.857157
5   MIN                   1.738427                    1.235901
6   DET                  -0.356063                   -0.771726
7   CHA                   0.900631                   -0.173710
8   CLE                  -1.612758                   -0.002848
9   KCA                  -1.473125                   -0.045563
10  TEX                   0.900631                   -0.045563
11  OAK                  -0.635329                    1.065039
12  CIN                  -0.216431                   -0.430002
13  SLN                  -0.774962                    0.979608
14  PIT                  -0.425880                   -0.558149
15  CHN                  -1.263676                   -0.430002
16  SFN                   0.970447                   -0.045563
17  SDN                   0.970447                   -1.455173
18  LAN                   1.179896                    0.637884
19  PHI                   0.202467                    1.492193
20  NYN                  -1.542941                   -1.369742
21  ATL                   0.830815                   -0.088279
22  TOR                  -0.006982                   -0.088279
23  SEA                  -0.425880                   -0.216425
24  ANA                  -0.216431                    1.364047
25  TBA                  -0.844778                    0.296161
26  WAS                  -1.193860                   -1.156165
27  ARI                   0.621366                   -0.387287
28  COL                  -0.635329                   -0.088279
29  MIA                  -0.635329                   -1.198881

Second Half Won/Loss Spread over First Half Won / Loss spread:
    Team  FirstHalfImprovementZScores  SecondHalfImprovementZScores
0   BAL                    -1.067522                     -1.611176
1   NYA                     2.701882                      2.673787
2   BOS                     1.733119                      0.325451
3   HOU                    -0.330370                     -0.480803
4   MIL                     0.706342                     -1.329977
5   MIN                     1.235426                      0.555133
6   DET                    -0.604846                     -1.227801
7   CHA                    -0.395189                     -0.461051
8   CLE                    -0.752813                      0.232714
9   KCA                    -1.504071                     -0.513855
10  TEX                     0.591852                      0.361936
11  OAK                    -0.582892                      0.659884
12  CIN                    -0.214837                     -0.638786
13  SLN                    -0.078394                      1.536533
14  PIT                    -0.553090                     -0.122328
15  CHN                    -0.456382                      0.726417
16  SFN                     0.848547                     -0.127477
17  SDN                     0.416716                     -0.602731
18  LAN                     1.526094                      1.720275
19  PHI                     0.677583                      1.067730
20  NYN                    -1.390625                     -1.170277
21  ATL                     1.198819                      0.542675
22  TOR                     0.678626                     -0.539184
23  SEA                     0.094656                     -0.743966
24  ANA                    -0.060612                      1.816016
25  TBA                    -0.705229                     -0.594563
26  WAS                    -1.279265                     -0.322390
27  ARI                    -0.465770                     -0.484664
28  COL                    -0.953032                     -0.333116
29  MIA                    -1.014722                     -0.914408
   Team  RallyWinsFirstHalf  BlownLeadsFirstHalf  RallyWinsSecondHalf  \
0   BAL                 243                  276                  228   
1   NYA                 284                  208                  327   
2   BOS                 261                  209                  277   
3   HOU                 252                  264                  235   
4   MIL                 257                  237                  233   
5   MIN                 273                  241                  282   
6   DET                 243                  261                  235   
7   CHA                 261                  278                  249   
8   CLE                 225                  242                  253   
9   KCA                 227                  269                  252   
10  TEX                 261                  246                  252   
11  OAK                 239                  255                  278   
12  CIN                 245                  251                  243   
13  SLN                 237                  236                  276   
14  PIT                 242                  258                  240   
15  CHN                 230                  239                  243   
16  SFN                 262                  239                  252   
17  SDN                 262                  253                  219   
18  LAN                 265                  221                  268   
19  PHI                 251                  230                  288   
20  NYN                 226                  264                  221   
21  ATL                 260                  225                  251   
22  TOR                 248                  226                  251   
23  SEA                 242                  237                  248   
24  ANA                 245                  246                  285   
25  TBA                 236                  255                  260   
26  WAS                 231                  267                  226   
27  ARI                 257                  275                  244   
28  COL                 239                  267                  251   
29  MIA                 239                  269                  225   

    BlownLeadsSecondHalf  
0                    291  
1                    222  
2                    264  
3                    254  
4                    285  
5                    260  
6                    283  
7                    267  
8                    244  
9                    272  
10                   238  
11                   252  
12                   268  
13                   216  
14                   245  
15                   215  
16                   257  
17                   243  
18                   201  
19                   246  
20                   267  
21                   230  
22                   272  
23                   277  
24                   214  
25                   283  
26                   239  
27                   263  
28                   264  
29                   261  
   Team  FirstHalfWPercentTot  SecondHalfWPercentTot
0   BAL              0.515924               0.484076
1   NYA              0.464812               0.535188
2   BOS              0.485130               0.514870
3   HOU              0.517454               0.482546
4   MIL              0.524490               0.475510
5   MIN              0.491892               0.508108
6   DET              0.508368               0.491632
7   CHA              0.511765               0.488235
8   CLE              0.470711               0.529289
9   KCA              0.473904               0.526096
10  TEX              0.508772               0.491228
11  OAK              0.462282               0.537718
12  CIN              0.502049               0.497951
13  SLN              0.461988               0.538012
14  PIT              0.502075               0.497925
15  CHN              0.486258               0.513742
16  SFN              0.509728               0.490272
17  SDN              0.544699               0.455301
18  LAN              0.497186               0.502814
19  PHI              0.465677               0.534323
20  NYN              0.505593               0.494407
21  ATL              0.508806               0.491194
22  TOR              0.496994               0.503006
23  SEA              0.493878               0.506122
24  ANA              0.462264               0.537736
25  TBA              0.475806               0.524194
26  WAS              0.505470               0.494530
27  ARI              0.512974               0.487026
28  COL              0.487755               0.512245
29  MIA              0.515086               0.484914

The input data (Apr includes Mar, Sept includes Oct reg season games)


Team,AprW,AprL,MayW,MayL,JunW,JunL,JulW,JulL,AugW,AugL,SepW,SepL,AprW_LBY5Plus,AprW_LBY4,AprW_LBY3,AprW_LBY2,AprW_LBY1,MayW_LBY5Plus,MayW_LBY4,MayW_LBY3,MayW_LBY2,MayW_LBY1,JunW_LBY5Plus,JunW_LBY4,JunW_LBY3,JunW_LBY2,JunW_LBY1,JulW_LBY5Plus,JulW_LBY4,JulW_LBY3,JulW_LBY2,JulW_LBY1,AugW_LBY5Plus,AugW_LBY4,AugW_LBY3,AugW_LBY2,AugW_LBY1,SepW_LBY5Plus,SepW_LBY4,SepW_LBY3,SepW_LBY2,SepW_LBY1,AprL_WBY5Plus,AprL_WBY4,AprL_WBY3,AprL_WBY2,AprL_WBY1,MayL_WBY5Plus,MayL_WBY4,MayL_WBY3,MayL_WBY2,MayL_WBY1,JunL_WBY5Plus,JunL_WBY4,JunL_WBY3,JunL_WBY2,JunL_WBY1,JulL_WBY5Plus,JulL_WBY4,JulL_WBY3,JulL_WBY2,JulL_WBY1,AugL_WBY5Plus,AugL_WBY4,AugL_WBY3,AugL_WBY2,AugL_WBY1,SepL_WBY5Plus,SepL_WBY4,SepL_WBY3,SepL_WBY2,SepL_WBY1

BAL,207,210,216,259,201,255,195,243,213,267,217,271,5,2,13,30,36,3,6,15,26,31,4,6,9,27,30,4,6,7,18,39,3,5,3,24,34,1,3,19,21,41,3,5,12,22,32,5,3,12,30,53,1,5,13,25,55,2,4,9,25,49,3,4,10,30,51,4,5,13,24,58

NYA,236,179,263,207,267,187,264,176,284,203,287,202,3,2,12,20,45,5,2,13,27,50,2,7,15,26,55,3,1,14,39,61,3,6,12,30,48,3,6,14,21,66,1,5,8,23,34,3,4,6,19,36,1,4,7,24,33,1,1,10,22,33,1,4,8,23,38,4,3,16,13,45

BOS,243,180,272,211,258,196,239,198,264,214,256,223,5,8,14,28,35,6,4,10,29,47,4,2,12,21,36,1,8,13,19,41,5,9,15,23,49,3,9,16,28,38,2,4,12,21,29,2,7,9,19,44,5,5,7,10,33,0,6,7,23,49,3,4,19,35,38,3,0,9,23,45

HOU,201,226,242,244,230,227,203,228,240,241,256,216,4,2,4,21,32,3,5,11,34,50,0,5,8,17,56,0,3,7,10,40,1,3,7,29,48,3,3,13,19,49,2,3,9,22,43,2,3,10,25,54,1,3,10,29,48,1,4,18,22,50,2,7,7,24,45,1,4,7,7,55

MIL,215,214,232,244,234,219,211,240,227,236,249,233,1,3,11,18,49,2,5,18,20,45,2,4,9,31,39,1,6,11,24,37,1,2,7,21,39,2,3,4,23,52,1,5,8,14,49,1,3,7,27,36,3,3,9,17,54,7,8,10,30,48,3,6,9,32,46,1,1,13,20,51

MIN,197,210,239,235,236,223,224,219,241,245,243,244,2,9,7,29,44,4,3,10,24,49,1,3,14,24,50,2,4,12,23,46,3,7,9,25,48,1,3,11,19,69,0,3,6,24,40,3,5,9,28,43,1,3,13,14,49,4,4,6,32,39,3,4,9,22,45,2,7,12,26,45

DET,210,203,229,247,228,225,214,229,215,267,215,270,1,7,9,20,33,5,3,9,18,45,2,2,9,25,55,3,2,7,18,43,4,3,12,24,40,4,8,8,22,37,3,2,6,27,33,2,2,18,30,37,2,6,10,25,58,6,4,10,21,54,6,3,13,16,54,5,1,11,25,54

CHA,210,203,238,241,226,226,209,227,230,255,228,261,3,3,10,27,38,1,3,12,31,46,2,6,8,25,46,4,2,11,30,36,1,3,16,23,43,2,4,12,22,40,2,3,11,18,44,3,3,9,28,49,4,5,15,28,56,1,5,11,23,44,0,4,16,23,55,3,3,9,21,49

CLE,195,215,246,230,231,230,220,219,263,216,261,226,2,2,5,17,28,4,2,14,32,38,4,2,9,18,48,0,2,8,18,52,7,3,12,17,56,1,2,11,21,43,5,4,9,20,36,3,3,9,25,52,3,2,13,18,40,4,2,9,27,39,0,4,10,21,41,0,1,12,27,47

KCA,174,238,194,283,222,232,193,250,211,271,232,254,2,3,7,17,37,3,4,10,22,38,2,5,13,22,42,1,5,5,24,45,1,2,8,16,53,4,2,17,24,45,2,6,10,28,44,7,3,21,26,49,0,5,3,23,42,1,5,15,21,41,4,7,12,30,47,2,6,14,19,48

TEX,214,214,257,219,242,215,200,236,255,225,235,243,2,2,12,25,36,2,4,7,38,42,1,11,14,28,37,2,4,11,22,35,5,6,8,29,47,0,2,17,23,41,4,11,8,19,35,5,4,9,19,43,3,2,13,19,52,3,9,10,22,38,5,4,8,18,40,2,5,13,23,38

OAK,220,215,223,249,252,207,236,198,256,220,246,231,3,4,7,19,40,2,5,6,16,42,2,3,12,25,53,4,9,11,28,53,3,4,8,17,51,3,5,11,24,47,3,3,12,23,40,3,4,14,14,57,3,5,9,18,47,3,3,6,23,45,5,2,9,23,44,0,7,10,28,44

CIN,199,228,236,242,215,236,208,233,226,254,213,265,1,11,5,20,41,3,5,10,26,41,2,4,7,15,54,4,5,11,24,45,2,4,7,18,43,1,6,8,14,51,3,4,10,17,38,4,4,7,33,45,6,9,7,21,43,5,1,19,15,47,0,6,12,24,44,1,7,5,25,57

SLN,249,174,255,219,233,223,251,190,279,194,260,226,1,7,12,21,46,3,3,6,20,43,3,3,6,21,42,4,3,11,30,43,1,4,16,25,52,1,5,10,16,55,1,4,11,21,38,0,4,13,20,39,1,3,11,27,43,2,4,6,20,40,0,4,3,20,29,2,2,8,29,47

PIT,196,222,230,246,209,244,220,219,205,276,210,274,2,3,6,24,37,2,8,10,26,42,1,6,10,22,43,2,2,12,25,53,2,8,5,18,43,0,3,4,15,48,0,4,11,22,40,5,2,5,26,51,5,7,11,27,42,2,1,12,21,39,1,3,12,28,45,3,5,8,14,51

CHN,213,198,227,243,226,239,233,208,245,237,260,224,1,2,15,21,32,1,2,3,22,50,2,0,12,21,46,5,3,9,16,50,0,3,13,20,40,2,4,6,18,54,2,6,6,25,38,0,5,17,28,41,0,3,8,27,33,3,0,4,26,43,4,2,7,19,37,0,3,12,21,34

SFN,217,210,248,228,232,228,220,217,238,243,239,232,1,4,10,26,41,3,2,10,21,56,2,5,16,20,45,0,3,5,25,56,0,6,9,25,44,3,4,9,26,37,6,2,9,14,46,1,3,5,24,43,2,6,4,25,49,2,1,8,19,39,4,5,6,22,55,3,3,9,21,60

SDN,193,245,236,241,208,244,192,245,232,239,226,254,5,2,7,24,38,3,2,11,25,56,4,4,12,20,49,3,2,4,21,39,2,4,8,19,44,4,2,6,19,42,0,2,7,18,46,1,1,7,27,49,1,2,16,26,50,2,1,7,22,57,1,1,7,23,38,0,2,8,22,52

LAN,237,196,265,208,242,220,240,191,270,207,263,215,2,5,14,13,41,1,6,10,25,50,2,6,10,22,58,1,2,8,16,49,3,2,7,29,58,5,2,13,23,50,2,0,15,20,46,2,1,6,18,47,1,3,10,19,31,2,3,4,15,38,1,2,10,13,47,3,2,5,21,35

PHI,214,207,245,230,205,255,237,201,247,226,258,229,3,3,10,17,41,0,4,18,23,47,1,1,13,24,46,3,4,4,26,49,7,4,9,31,49,4,8,12,26,52,2,4,9,19,34,1,5,15,19,41,3,4,12,28,34,2,2,8,20,39,7,4,14,18,55,3,6,8,22,38

NYN,220,197,238,237,209,249,217,219,241,240,232,254,0,1,5,14,57,1,6,8,22,53,1,0,7,16,35,4,0,5,23,36,3,2,6,19,39,2,5,6,26,45,3,4,5,20,38,3,7,7,20,51,1,3,16,30,56,2,4,6,14,48,3,4,10,27,50,2,3,12,25,57

ATL,215,204,261,221,233,226,240,195,256,222,246,234,3,3,5,18,48,5,5,8,26,50,1,5,13,30,40,1,2,8,24,49,2,4,7,17,53,3,2,12,21,46,3,2,8,18,46,1,1,5,26,43,1,3,9,28,31,1,4,5,18,44,1,5,7,18,47,5,3,12,17,43

TOR,200,233,260,226,222,230,205,224,222,251,249,231,2,6,11,22,47,3,3,7,22,57,4,2,11,15,36,3,3,10,16,42,3,3,15,26,36,2,2,14,26,50,4,6,11,28,34,1,3,10,22,39,2,4,9,23,30,6,7,12,21,44,4,8,9,22,51,1,2,18,24,43

SEA,210,219,219,257,234,223,193,246,224,250,215,264,2,6,7,26,38,1,6,9,25,38,1,4,9,26,44,2,2,9,24,44,3,5,10,29,46,3,6,10,20,35,5,4,6,21,41,3,7,8,27,40,3,3,8,15,46,2,4,9,27,54,5,4,15,21,40,4,3,18,19,52

ANA,216,217,256,225,245,206,240,193,245,231,264,216,4,5,8,17,28,4,8,12,22,44,3,8,11,27,44,2,5,11,27,47,5,6,12,23,46,1,3,16,27,54,4,3,9,26,38,1,3,8,37,36,0,6,9,19,47,2,1,8,18,34,6,5,10,14,48,1,3,12,20,32

TBA,208,216,237,242,224,235,217,219,249,226,233,248,2,4,9,26,33,2,3,9,26,50,1,2,7,22,40,4,4,9,20,40,2,2,16,29,50,5,2,7,23,47,2,4,10,25,43,4,7,11,23,51,6,4,5,23,37,1,1,9,34,43,3,6,9,27,47,2,9,19,25,48

WAS,204,225,237,239,223,229,207,228,250,231,251,228,6,1,6,19,36,1,2,6,28,51,5,2,8,22,38,1,4,11,16,32,5,7,12,20,31,1,2,15,27,42,2,2,6,20,51,1,4,9,29,45,1,5,11,29,52,4,5,4,18,46,1,2,5,26,51,3,3,5,20,46

ARI,225,213,224,251,224,235,202,232,228,248,220,252,2,8,15,19,49,3,3,6,21,45,3,8,11,22,42,3,3,11,12,35,1,4,6,27,47,0,3,16,17,59,2,5,10,27,37,2,4,8,22,64,0,5,13,24,52,1,4,12,24,47,2,7,6,24,48,4,2,10,25,47

COL,211,213,209,267,221,243,208,228,214,263,230,249,1,1,9,25,43,3,1,10,19,42,1,6,8,25,45,7,2,15,18,31,1,6,8,24,56,6,1,6,27,43,1,8,13,21,35,6,6,12,18,53,5,6,16,23,44,2,4,16,18,44,2,5,11,24,45,7,6,14,26,40

MIA,197,222,218,261,215,242,226,213,202,274,226,255,1,3,11,18,40,0,1,13,21,48,3,6,7,26,41,3,3,5,28,47,4,4,4,20,40,2,3,9,24,29,2,4,9,18,41,4,5,15,28,55,1,4,13,21,49,3,2,5,23,40,3,5,4,30,52,1,6,10,30,47



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