A-Rod's 500th HR ball sells for $103,579

LAGUNA NIGEL, Calif. -- The ball Alex Rodriguez hit for his 500th home run has sold at auction for $103,579.

SCP Auctions said Thursday the buyer decided to remain anonymous.

The ball, hit off Kansas City pitcher Kyle Davies, was recovered by a college student at the old Yankee Stadium on Aug. 4, 2007.

SCP also sold the balls Barry Bonds hit for his 755 and 756th home runs.