- Alex Rodriguez
- United States (New York)
The youngest person to hit 600 home runs in a Major League Baseball career is Alex Rodriguez (USA, b. 27 July 1975), who hit No. 600 at 35 years, 8 days old against the Toronoto Blue Jays on 4 August 2010. Rodriguez hit the two-run home run off of Blue Jays starting pitcher Shaun Marcum. It was hit three years to the day that Rodriguez became the youngest person to hit 500 home runs in a career. He beat the previous mark of Babe Ruth's for No. 600 by 1 year, 188 days.