Rolen, who missed the series finale in Milwaukee on Wednesday and Thursday's opener of a four-game set against the Cubs at Wrigley Field, is "day to day" for now. However, Reds manager Dusty Baker didn't sound that optimistic prior to Friday's game that Rolen would return anytime soon.
"I haven't heard anything better [since Thursday]," Baker said. "Usually when that thing grabs you like that, you don't get better overnight or right away. It doesn't look pleasant."
Losing Rolen's bat from the lineup is significant for the Reds, who are currently struggling to plate runners in scoring position. Prior to missing the last game in Milwaukee, Rolen was hitting .367 (18-for-49) with two home runs and nine RBIs in his last 15 games.
Rolen is also hitting a robust .358 since the All-Star break. Todd Frazier started at third in Rolen's place on Thursday, and Wilson Valdez started at the hot corner on Friday, with Frazier moving over to play first.