TUCSON, Ariz. (AP) _ David Holdridge, a Seattle Mariners farmhand, was added Wednesday to the U.S. roster for the Pan American games, July 24-Aug. 2 in Winnipeg.

He replaces Matt Riley, a Baltimore Orioles prospect, who withdrew.

Holdridge is 3-5 with a 5.06 ERA and nine saves for Tacoma of the Pacific Coast League.