Flores hurt his calf in a collision with Rockies catcher Yorvit Torrealba at home plate on Saturday. Flores had tried to score from first base on a double by Ronnie Belliard, but was called out. Although he was was slow to get up, Flores played the entire game.
The 23-year-old is hitting .271 with eight home runs and 52 RBIs in 78 games this year.
Bill Ladson is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.