CINCINNATI -- Despite returning to action in the Reds' first-half closer at San Diego and a four-day rest during the All-Star break, third baseman Scott Rolen was out of Friday night's lineup against the Cardinals.
Rolen, 37, missed a week of action nursing back spasms, but played a complete game on Sunday.
"He hadn't played for four days," Reds manager Dusty Baker said. "Part of it is matchup, part of it is giving him another day to get some reps and get some swings in. We've got a plan."
Rolen has struggled at the plate this season, hitting .178 with 23 hits and 16 RBIs in 129 at-bats.
Rookie backup Todd Frazier has had plenty of success filling in for the 17-year veteran, batting .278 with 50 hits and 29 RBIs entering Friday's game.