One name that's been linked to the soon-to-be-vacant Royals managing job is Buck Martinez, a longtime K.C. catcher who last managed Team USA in the 2006 WBC.... Although one assistant G.M. said that he considered the newly vacant Pirates G.M. job to be "poison," some promising names are surfacing as potential replacements for Dave Littlefield. Two strong candidates would be highly regarded Indians assistant G.M. Chris Antonetti and Brewers scouting director Jack Zduriencik, whose recent drafts—which have included Prince Fielder and Ryan Braun—have helped make Milwaukee a contender.