"It's not that bad. I talked to Dusty and we didn't want to make it worse," Choo said on Monday.
Choo was going to get his sore ankle taped and test it to see if he could be available to pinch-hit. As he did on Sunday, Derrick Robinson led off and played center field in Choo's place.
"It was an awkward slide," Reds manager Dusty Baker said. "I saw him when he got up, he was twisting his ankle. I didn't know how badly he had done it. He is day to day."
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.