Buyer's guide: Middle infielders

If you need middle infield help this offseason, don't look to the free-agent market to solve your problems. There are just two true middle infielders on my top 50, and there weren't any other players who were particularly close to making the cut. Teams holding tradable assets at shortstop or at second base have tremendous leverage this winter if they're inclined to make a move.

Best and worst values