Racing PositionsYoung arms make Marlins optimistic about future7YMarlins prospect Mesa has hamstring strain7YMarlins rookie Mesa day-to-day (right hamstring)7YMurphy downplays buzz over MLB-best Brewers2hCatcher Basallo (shoulder) returns for Orioles3hSkenes sees room to grow amid rough patch in '263hAthletics activate P Springs (hip) for start vs. KC3hFantasy baseball lineup advice for Thursday: Lambert, Seymour among top options4hESPN FantasyPirates add veteran C Bethancourt from Yankees5hMets' Polanco placed on IL, to have ankle surgery3h
