It means Batting Average Against. It is used to show what opposing hitters are hitting off of a particular pitcher. For example, Randy Johnson had a .197 BAA in the 2004 season. That means opposing hitters had a .197 batting average against him that season.
A BA in basketball is a blocked attempt. In other words, it is a shot that the player attempts that is subsequently blocked.
charge
Minutes
Fouls
the player stole the basketball from another player while they were dribbling
It means turnovers per game.
pc jewellers just kidding
Ba does mean soul
Blocked Attempts
either defense or deflects? I'm not sure
The abbreviation ast in basketball means assists. It is normally listed in the stats of a player during, and after games, along with their points and rebounds.
BA=breastAugmentation