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Comeback Wins and Blown Leads for losses - 2003-2019


"You're losing the game at one point (could be first or 2nd inning) but come from behind and win -or- you're winning the game at one point but end up losing. Which team in the NL 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.

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.


From the July to the end of the season

The best team: St. Louis Cardinals ZScore: 1.53

The worst team: the Milwaukee Brewers - ZScore: -2.34







Second Half Improvement:
    Team  ZScoreTotalImprovement
0   CIN               -0.541386
1   SLN                1.530251
2   PIT                0.420129
3   CHN                0.939843
4   SFN               -1.073388
5   SDN               -1.064556
6   LAN                0.088267
7   PHI                0.305650
8   NYN                0.048661
9   ATL               -0.886873
10  WAS                0.939516
11  HOU                0.562065
12  ARI                0.255660
13  MIL               -2.341292
14  COL                0.713767
15  MIA                0.103687
   Team  ZScoresComebackWinsFirstHalf  ZScoresComebackWinsSecondHalf
0   CIN                      0.177132                       0.133027
1   SLN                     -0.080514                       1.181358
2   PIT                      0.080514                       0.037724
3   CHN                     -0.305955                       0.133027
4   SFN                      0.724629                       0.418935
5   SDN                      0.724629                      -0.629396
6   LAN                      0.821246                       0.927217
7   PHI                      0.370366                       1.562569
8   NYN                     -0.434778                      -0.565861
9   ATL                      0.660218                       0.387168
10  WAS                     -0.273749                      -0.407023
11  HOU                     -3.558735                      -3.107270
12  ARI                      0.563601                       0.164794
13  MIL                      0.563601                      -0.184649
14  COL                     -0.016103                       0.387168
15  MIA                     -0.016103                      -0.438790

Second Half Won/Loss Spread over First Half Won / Loss spread:
    Team  FirstHalfImprovementZScores  SecondHalfImprovementZScores
0   CIN                    -0.116351                     -0.657737
1   SLN                     0.258268                      1.788519
2   PIT                    -0.524375                     -0.104245
3   CHN                    -0.114507                      0.825335
4   SFN                     0.993777                     -0.079611
5   SDN                     0.385533                     -0.679023
6   LAN                     1.879707                      1.967974
7   PHI                     1.003819                      1.309469
8   NYN                    -1.339193                     -1.290532
9   ATL                     1.532754                      0.645881
10  WAS                    -1.296362                     -0.356845
11  HOU                    -0.701648                     -0.139583
12  ARI                    -0.743448                     -0.487789
13  MIL                     0.907500                     -1.433792
14  COL                    -1.019290                     -0.305524
15  MIA                    -1.106183                     -1.002495
   Team  ComebackWinsFirstHalf  BlownLeadsFirstHalf  ComebackWinsSecondHalf  \
0   CIN                    245                  251                     243   
1   SLN                    237                  236                     276   
2   PIT                    242                  258                     240   
3   CHN                    230                  239                     243   
4   SFN                    262                  239                     252   
5   SDN                    262                  253                     219   
6   LAN                    265                  221                     268   
7   PHI                    251                  230                     288   
8   NYN                    226                  264                     221   
9   ATL                    260                  225                     251   
10  WAS                    231                  267                     226   
11  HOU                    129                  172                     141   
12  ARI                    257                  275                     244   
13  MIL                    257                  237                     233   
14  COL                    239                  267                     251   
15  MIA                    239                  269                     225   

    BlownLeadsSecondHalf  
0                    268  
1                    216  
2                    245  
3                    215  
4                    257  
5                    243  
6                    201  
7                    246  
8                    267  
9                    230  
10                   239  
11                   140  
12                   263  
13                   285  
14                   264  
15                   261  
   Team  FirstHalfWPercentTot  SecondHalfWPercentTot
0   CIN              0.502049               0.497951
1   SLN              0.461988               0.538012
2   PIT              0.502075               0.497925
3   CHN              0.486258               0.513742
4   SFN              0.509728               0.490272
5   SDN              0.544699               0.455301
6   LAN              0.497186               0.502814
7   PHI              0.465677               0.534323
8   NYN              0.505593               0.494407
9   ATL              0.508806               0.491194
10  WAS              0.505470               0.494530
11  HOU              0.477778               0.522222
12  ARI              0.512974               0.487026
13  MIL              0.524490               0.475510
14  COL              0.487755               0.512245
15  MIA              0.515086               0.484914



First half of season Apr-Jun (includes any March games)

   Team  FirstHalfW  ComebackWinsFirstHalf  FirstHalfWPercent
0   CIN         650                    245           0.376923
1   SLN         737                    237           0.321574
2   PIT         635                    242           0.381102
3   CHN         666                    230           0.345345
4   SFN         697                    262           0.375897
5   SDN         637                    262           0.411303
6   LAN         744                    265           0.356183
7   PHI         664                    251           0.378012
8   NYN         667                    226           0.338831
9   ATL         709                    260           0.366714
10  WAS         664                    231           0.347892
11  HOU         357                    129           0.361345
12  ARI         673                    257           0.381872
13  MIL         681                    257           0.377386
14  COL         641                    239           0.372855
15  MIA         630                    239           0.379365


   Team  FirstHalfL  BlownLeadsFirstHalf  FirstHalfLPercent
0   CIN         706                  251           0.355524
1   SLN         616                  236           0.383117
2   PIT         712                  258           0.362360
3   CHN         680                  239           0.351471
4   SFN         666                  239           0.358859
5   SDN         730                  253           0.346575
6   LAN         624                  221           0.354167
7   PHI         692                  230           0.332370
8   NYN         683                  264           0.386530
9   ATL         651                  225           0.345622
10  WAS         693                  267           0.385281
11  HOU         437                  172           0.393593
12  ARI         699                  275           0.393419
13  MIL         677                  237           0.350074
14  COL         723                  267           0.369295
15  MIA         725                  269           0.371034


Second Half Jul-End (includes Oct reg season)

   Team  SecondHalfW  ComebackWinsSecondHalf  SecondHalfWPercent
0   CIN          647                     243            0.375580
1   SLN          790                     276            0.349367
2   PIT          635                     240            0.377953
3   CHN          738                     243            0.329268
4   SFN          697                     252            0.361549
5   SDN          650                     219            0.336923
6   LAN          773                     268            0.346701
7   PHI          742                     288            0.388140
8   NYN          690                     221            0.320290
9   ATL          742                     251            0.338275
10  WAS          708                     226            0.319209
11  HOU          413                     141            0.341404
12  ARI          650                     244            0.375385
13  MIL          687                     233            0.339156
14  COL          652                     251            0.384969
15  MIA          654                     225            0.344037


   Team  SecondHalfL  BlownLeadsSecondHalf  SecondHalfLPercent
0   CIN          752                   268            0.356383
1   SLN          610                   216            0.354098
2   PIT          769                   245            0.318596
3   CHN          669                   215            0.321375
4   SFN          692                   257            0.371387
5   SDN          738                   243            0.329268
6   LAN          613                   201            0.327896
7   PHI          656                   246            0.375000
8   NYN          713                   267            0.374474
9   ATL          651                   230            0.353303
10  WAS          687                   239            0.347889
11  HOU          413                   140            0.338983
12  ARI          732                   263            0.359290
13  MIL          709                   285            0.401975
14  COL          740                   264            0.356757
15  MIA          742                   261            0.351752


Here's the input data (includes Houston leaving to go to AL in 2013)


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

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

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

HOU,108,133,126,160,123,144,120,141,142,142,151,130,2,1,2,11,16,2,2,7,19,20,0,3,5,8,31,0,1,3,5,27,1,2,5,19,26,2,3,6,13,28,1,3,7,9,31,1,3,6,13,36,0,3,9,19,31,1,2,9,14,24,1,5,4,13,22,1,2,3,4,35

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

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

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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