Racing PositionsRockies left-hander Collins opts out of season2YRoyals sign C Butera to $3.8M, 2-year contract6YRoyals spend $16.5M to retain Davis, Escobar6YRoyals' Collins to have 2nd Tommy John surgery6YRoyals don't shift gears, sign Chris Young and Joakim Soria7YDavid SchoenfieldRoyals bring back lefty Collins on 1-year deal7YRoyals acquire Angels' Butera, activate Hochevar7YHow the Royals replace Rios7YDoug MittlerRoyals' Collins has season-ending TJ surgery7YRoyals' Collins, Infante get MRI on elbows7Y