Miami Marlins second baseman Jazz Chisholm Jr. (back) is in Jupiter, Fla., doing mobility exercises, and like Jorge Soler, he received an injection. Chisholm returned to the starting lineup on June 28 for the first time since June 25 before he was replaced in the second inning. The pain was "really up there" for Chisholm. "At the end of this thing, it's going to be two weeks before he's done anything," manager Don Mattingly said. "Trying to be conservative, you want to make sure he's healthy ...