Racing PositionsRelief Efforts: Who closes for Red Sox, Dodgers?17dTristan H. CockcroftRelief Efforts: Closers on shaky ground17dTristan H. CockcroftJosh Hamilton, Greinke top 2013 free-agents-to-be list17dBrian GramlingBuehler seeking big-league adrenaline for return6hAlden GonzalezRockies end dubious streak with wire-to-wire win6hSource: Padres nearing deal for Marlins' Arraez2hJorge CastilloTwins place Buxton on IL with knee inflammation8hYankees ace Cole to throw off mound Saturday10hMets move winless Houser (8.16 ERA) to pen10hTrout undergoes knee surgery, to start rehab11h