As July kicks off, we present our annual list of one player every team should trade for (or away) before the July 31 deadline. St. Louis Cardinals: Trade for Merrill KellyRanking the top 50 MLB trade candidates More Red Sox stars on the move? Passan's early MLB trade deadline preview As trade season starts up, here are the biggest names who could move -- and the teams that could deal for them. Cincinnati Reds: Trade for McMahonTop 10 prospect lists for every MLB team Who is rising and falling in every major league farm system? Athletics: Trade away Luis UriasThe A's don't really have much to deal, although there will be the prerequisite Mason Miller rumors.