Phillies manager Pete Mackanin said after the game that X-rays on Herrera's leg were negative. He is day to day.
Herrera doubled in his first-inning at-bat against Roark. He is hitting .278 with 16 doubles, five triples, 13 home runs and 42 RBIs in 139 games this season.
Todd Zolecki has covered the Phillies since 2003, and for MLB.com since 2009. Read his Phillies blog The Zo Zone, follow him on Twitter and listen to his podcast. This story was not subject to the approval of Major League Baseball or its clubs.