Red Sox third baseman Bill Mueller (right) continued to rehab his knee before the Grapefruit League opener vs. the Minnesota Twins, as he ran in the outfield with assistant trainer Chang- Ho Lee.
Mueller improving
Red Sox third baseman Bill Mueller (right) continued to rehab his knee before the Grapefruit League opener vs. the Minnesota Twins, as he ran in the outfield with assistant trainer Chang- Ho Lee.
(Globe Staff Photo / Jim Davis)