Racing PositionsYoung arms make Marlins optimistic about future7YMarlins prospect Mesa has hamstring strain7YMarlins rookie Mesa day-to-day (right hamstring)7YO's catcher Pozo hit in hand by Bell's bat, exits1hHarper battling knee soreness since shift to RF1hA's fear Kurtz (thumb) could miss rest of season2h'I hope he knows about it': White Sox's pope hat giveaway draws major crowd3hJesse RogersRodón, Bellinger closer to return, Boone says2hRutschman debut can't spark slumping Red Sox35mWilson, DFA'd on Sat., signs new deal with Brewers4h