Alex Rodriguez at 35.
Tony Conigliaro, Boston Red Sox, 1964-67, 167 Career Home Runs
Alex rodriguez he hit 500 homers when he was 32
Barry Bonds is the youngest to hit 450 home runs
On August 4, 2007, Alex Rodriguez became the youngest player to hit 500 home runs (32 years, 8 days).
Barry Bonds ... 762 career home runs and 514 career stolen bases.
Barry Bonds, with 762 home runs.
In MLB, that was Hank Aaron who hit 733 career home runs for the Braves.