122 different players have had a total of 295 40-HR seasons.
5
3
The Detroit Tigers in 2004 with 11 players hitting 10+ home runs
Oakland
Babe Ruth, Roger Maris, Sammy Sosa, Mark McGwire, and Barry bonds are the only players to hit 60 home runs in a season.
six
Yastrzemski, Carl (1)
atlanta braves
Albert belle
For players that hit at least 20 home runs in a season, the lowest batting average is .179 by Rob Deer of the 1991 Detroit Tigers. Deer hit 25 home runs that season.
Zero. Ryan Howard of the Philadelphia Phillies led the majors with 48.
25 players