The Twins have signed former Pirates catcher Ryan Doumit to a one-year, $3 million deal. Doumit, 30, hit .303 with eight homers and 30 RBIs in 77 games for the Pirates last season. He will be used as a backup to Joe Mauer. He also can play first base and the outfield and should give the Twins some much-needed versatility and offensive pop.