Does baseball change stats after the game?
All the time. Here are some
Edit: these all occurred after the game was over btw. And these are from this year alone. The link has a lot more:
http://m.mlb.com/promo/scoring-changes
"4/6, SF at ARI, Brandon Crawford's double in the top of the 5th inning was changed to a single, costing him one RBI and making Casey McGehee's run unearned. Josh Collmenter is charged with a total of four earned runs.
2: 4/8, SD at LAD, Jimmy Rollins credited with a triple in the bottom of the 8th inning instead of a three-base error on center fielder Wil Myers.
3: 4/8, STL at CHC, Jason Heyward credited with an infield single in the top of the 8th instead of an error on shortstop Starlin Castro.
4: 4/8, TEX at OAK, Josh Phegley credited with an infield single in the bottom of the 4th instead of an error on shortstop Elvis Andrus.
5: 4/15, CWS at CLE, Catcher Geovany Soto's error on Roberto Perez's sacrifice in the bottom of the 3rd has been removed. This makes Lonnie Chisenhall's run earned, charged against Jon Danks."