Pimentel, the Royals' only representative in the game, gave up one hit and one walk to the U.S. team with two outs in the fifth inning. However, he ended the threat by striking out Greg Golson on three pitches.
For the Northwest Arkansas Naturals, the Royals' club in the Double-A Texas League, Pimentel has a 4-9 record and 5.85 ERA in 18 starts.
Dick Kaegel is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.