Clutch Study: wOBA late inn 2nd half season improvement over 1st half season improvement

Compare teams "2nd half of season late inning (7th inning on) wOBA improvement over their 1st half of the season in the late innings". How much better (or worse) did each team do during the time frames?

The query used against retrosheet is right here. Please send any comments and/or suggestions about the query to the email in the contact 2004-2019: Winner St. Louis Cardinals with ZScore of 2.12