Zack Greinke and Hanley Ramirez have already changed teams, and general managers still have a few more hours to make additional big trades. Some of the deals from the 2012 season may quickly be forgotten, but there's always the possibility of a blockbuster that can change the fortunes of a team for years. In honor of baseball's Tuesday trade deadline, here are some of the most famous (and infamous) in-season deals in baseball history _ one for each of the 30 franchises.
The Los Angeles Angels made a move to keep up with the Texas Rangers in the AL West by trading for infielder Alberto Callaspo last week.
Dan Haren was traded to the Los Angeles Angels by the Arizona Diamondbacks on Sunday for left-hander Joe Saunders and three other players.
The Los Angeles Angels were looking to make a counter move after rival Texas landed Cliff Lee.
