"In general, we think it's going to be 10 days," Marlins manager Don Mattingly said. "Obviously you never know. I didn't think it was going to be a DL [stint], either."
Bour injured his left ankle while stepping on first base in his final at-bat of Saturday's game against the D-backs, in which Miami's Edinson Volquez threw a no-hitter. Bour dealt with discomfort on Sunday, but he entered as a pinch-hitter for one at-bat.
Scott Chasen is a reporter for MLB.com based in Chicago and covered the Marlins on Tuesday.