Rodriguez ties Gehrig's slam mark

06/12/2012 10:07 PM ET

By The Associated Press

Alex Rodriguez tied Lou Gehrig for the most grand slams in baseball history Tuesday.(AP)

ATLANTA (AP) Alex Rodriguez has hit his 23rd career grand slam on Tuesday night, matching Yankees Hall of Famer Lou Gehrig for most in baseball history.

Rodriguez hit a full-count pitch from Atlanta's Jonny Venters in the eighth inning into the left field seats to tie the game at 4. It was A-Rod's first slam this season and his 10th homer overall.

Rodriguez ranks fifth on baseball's all-time list with 639 homers. Willie Mays is fourth with 660.

Two batters after Rodriguez tied the game, Nick Swisher connected for a two-run shot to give New York a 6-4 lead.