"He's day to day," Reds manager Dusty Baker said. "He's getting better. He's not playing [Tuesday]. Then we have a day off [Wednesday] and we'll check and see after the off-day."
Choo is batting .400 (10-for-25) in 11 spring games and has seven hits in his last 11 at-bats.
"I'm not worried," Baker said. "He was playing awfully good before he got hurt. I just hope he can pick it back up where he left off."
Mark Sheldon is a reporter for MLB.com. Read his blog, Mark My Word, and follow him on Twitter @m_sheldon This story was not subject to the approval of Major League Baseball or its clubs.