New York Yankees' third baseman Alex Rodriguez hit his 661st career home run on Thursday night against the Baltimore Orioles, moving him past the great Willie Mays, and into sole possession of fourth place on the all-time list.

Now in his 21st Major League Baseball season, the 39-year old Rodriguez has hit 321 of his career homers while with the Yankees in his 11 season with them, along with 189 with the Seattle Mariners in 7 seasons, and 156 with the Texas Rangers over a three-year period.

Barry Bonds has the most career home runs, all-time, with 762, followed by Hank Aaron (755), Babe Ruth (714), and Rodriguez.

Watch A-Rod's historic shot to centerfield, below: