pujols
In MLB, that was Babe Ruth who hit his 600th home run in the 1931 season.
Mark texiera, with 39 home runs
Barry Bonds has the most home runs in Major League Baseball (762).
Alex Rodrigez
Ryan Howard
Babe Ruth
Mantle
The record is still held by Barry Bonds.
In MLB, that was Babe Ruth who hit 54 home runs in 1920.
The first home run in MLB history was by Ezra Sutton of the Cleveland Forest Citys on May 8, 1871 against the Chicago White Stockings in the National Association. Sutton hit a second home run in the game to be the player to hit the first and second home runs in MLB history.
Thome