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.
Brewers shortstop Alex Gonzalez has a torn ligament in his right knee and will have season-ending surgery, the third Milwaukee player to sustain a serious injury since opening day.

Previewing the National League.

An afterthought in early September, the St. Louis Cardinals are taking their wild ride all the way to the World Series.
A look at the best-of-seven National League championship series between the St. Louis Cardinals and Milwaukee Brewers:
MILWAUKEE (AP) - Cole Hamels pitched a four-hitter and Hunter Pence's triple keyed a six-run sixth inning as the Philadelphia Phillies beat the Milwaukee Brewers 7-2 Thursday night.

Alcides Escobar's triple sparked a six-run seventh inning and the Milwaukee Brewers beat the Pittsburgh Pirates 7-2 Friday night.
Ian Kennedy hit three Milwaukee batters with pitches in the first three innings of Arizona's game against the Brewers on Monday night.