Aaron Cook of the Colorado Rockies pitches against the New York Mets on July 11, 2008 at Shea Stadium in the Flushing neighborhood of the Queens...
Aaron Cook of the Colorado Rockies pauses on the mound as he pitches in relief against the San Francisco Giants at Coors Field on September 16, 2011...
Starting pitcher Aaron Cook of the Colorado Rockies looks to firstbase as he holds a runner on against the Chicago White Sox during Interleague play...
Starting pitcher Aaron Cook of the Colorado Rockies delivers against the Detroit Tigers at Coors Field on June 19, 2011 in Denver, Colorado. Cook...
Starting pitcher Aaron Cook of the Colorado Rockies leaves the Major League Baseball game against the Arizona Diamondbacks during the fifth inning at...
Starting pitcher Aaron Cook of the Colorado Rockies delivers against the Philadelphia Phillies at Coors Field on May 12, 2010 in Denver, Colorado....
Starting pitcher Aaron Cook of the Colorado Rockies delivers against the Philadelphia Phillies at Coors Field on May 12, 2010 in Denver, Colorado....
Aaron Cook of the Colorado Rockies pitches during a baseball game against the Washington Nationals on April 19, 2010 at Nationals Park in Washington,...
Aaron Cook of the Colorado Rockies pitches during a baseball game against the Washington Nationals on April 19, 2010 at Nationals Park in Washington,...
Aaron Cook of the Colorado Rockies pitches during a baseball game against the Washington Nationals on April 19, 2010 at Nationals Park in Washington,...
Aaron Cook of the Colorado Rockies pitches during a baseball game against the Washington Nationals on April 19, 2010 at Nationals Park in Washington,...
Aaron Cook of the Colorado Rockies pitches during a baseball game against the Washington Nationals on April 19, 2010 at Nationals Park in Washington,...
Aaron Cook of the Colorado Rockies pitches during a baseball game against the Washington Nationals on April 19, 2010 at Nationals Park in Washington,...
Aaron Cook of the Colorado Rockies pitches during a baseball game against the Washington Nationals on April 19, 2010 at Nationals Park in Washington,...
Aaron Cook of the Colorado Rockies pitches against the Washington Nationals April 19, 2010 at Nationals Park in Washington, DC.
Aaron Cook of the Colorado Rockies pitches against the Washington Nationals April 19, 2010 at Nationals Park in Washington, DC.
Aaron Cook of the Colorado Rockies pitches against the Washington Nationals April 19, 2010 at Nationals Park in Washington, DC.
Aaron Cook of the Colorado Rockies pitches against the Washington Nationals April 19, 2010 at Nationals Park in Washington, DC.
Aaron Cook of the Colorado Rockies pitches against the Washington Nationals April 19, 2010 at Nationals Park in Washington, DC.
Colorado Rockies catcher Yorvit Torrealba points skyward before catching for Aaron Cook against the Boston Red Sox during Game 4 of the Major League...
From left, Colorado Rockies pitching coach Bob Apodaca, pitcher Aaron Cook, and catcher Yorvit Torrealba walk onto the field before the start of Game...
Aaron Cook of the Colorado Rockies pitches against the Boston Red Sox during Game 4 of the Major League Baseball World Series against hte Boston Red...
Aaron Cook of the Colorado Rockies pitches against the Boston Red Sox during Game 4 of the Major League Baseball World Series against hte Boston Red...
Aaron Cook of the Colorado Rockies pitches against the Boston Red Sox during Game 4 of the Major League Baseball World Series against hte Boston Red...
Bob Apodaca, pitching coach for the Colorado Rockies, second from the left, speaks to pitcher Aaron Cook, center, and infielders during Game 4 of the...
Aaron Cook of the Colorado Rockies pitches against the Boston Red Sox during Game 4 of the Major League Baseball World Series against hte Boston Red...
Pitching coach Bob Apodaca of the Colorado Rockies talks with catcher Yorvit Torrealba and Aaron Cook against the Philadelphia Phillies in Game Two...
Playoffs: Colorado Rockies Aaron Cook in action, pitching vs Philadelphia Phillies. Game 2. Philadelphia, PA 10/8/2009 CREDIT: Al Tielemans
Playoffs: Colorado Rockies Aaron Cook in action, pitching vs Philadelphia Phillies. Game 2. Philadelphia, PA 10/8/2009 CREDIT: Al Tielemans
Playoffs: Colorado Rockies Aaron Cook in action, pitching vs Philadelphia Phillies. Game 2. Philadelphia, PA 10/8/2009 CREDIT: Al Tielemans
Aaron Cook of the Colorado Rockies pitches during Game 2 of the National League Division Series against the Philadelphia Philies at Citizens Bank...
Aaron Cook of the Colorado Rockies pitches during Game 2 of the National League Division Series against the Philadelphia Philies at Citizens Bank...
Aaron Cook of the Colorado Rockies pitches five during Game 2 of the National League Division Series against the Philadelphia Philies at Citizens...
Starting pitcher Aaron Cook of the Colorado Rockies throws a pitch against the Philadelphia Phillies in Game Two of the NLDS during the 2009 MLB...
Starting pitcher Aaron Cook of the Colorado Rockies throws a pitch against the Philadelphia Phillies in Game Two of the NLDS during the 2009 MLB...
Starting pitcher Aaron Cook of the Colorado Rockies throws a pitch against the Philadelphia Phillies in Game Two of the NLDS during the 2009 MLB...
Starting pitcher Aaron Cook of the Colorado Rockies walks back to the dugout after being taken out in the bottom of the sixth inning against the...
Starting pitcher Aaron Cook of the Colorado Rockies throws a pitch against the Philadelphia Phillies in Game Two of the NLDS during the 2009 MLB...
Starting pitcher Aaron Cook of the Colorado Rockies throws a pitch against the Philadelphia Phillies in Game Two of the NLDS during the 2009 MLB...
Starting pitcher Aaron Cook of the Colorado Rockies throws a pitch against the Philadelphia Phillies in Game Two of the NLDS during the 2009 MLB...
Starting pitcher Aaron Cook of the Colorado Rockies gets set to throw a pitch against the Philadelphia Phillies in Game Two of the NLDS during the...
Starting pitcher Aaron Cook of the Colorado Rockies is jeered by the fans as he walks back to the dugout after being taken out in the bottom of the...
Manager Jim Tracy of the Colorado Rockies takes starting pitcher Aaron Cook in the bottom of the sixth inning against the Philadelphia Phillies in...
Starting pitcher Aaron Cook of the Colorado Rockies waits for the ball to be thrown back to him on the mound against the Philadelphia Phillies in...
Starting pitcher Aaron Cook of the Colorado Rockies throws a pitch against the Philadelphia Phillies in Game Two of the NLDS during the 2009 MLB...
Starting pitcher Aaron Cook of the Colorado Rockies throws a pitch against the Philadelphia Phillies in Game Two of the NLDS during the 2009 MLB...
Starting pitcher Aaron Cook of the Colorado Rockies throws a pitch against the Philadelphia Phillies in Game Two of the NLDS during the 2009 MLB...
Starting pitcher Aaron Cook of the Colorado Rockies throws a pitch against the Philadelphia Phillies in Game Two of the NLDS during the 2009 MLB...
Starting pitcher Aaron Cook of the Colorado Rockies throws a pitch against the Philadelphia Phillies in Game Two of the NLDS during the 2009 MLB...
Starting pitcher Aaron Cook of the Colorado Rockies throws a pitch against the Philadelphia Phillies in Game Two of the NLDS during the 2009 MLB...
Starting pitcher Aaron Cook of the Colorado Rockies delivers against the Milwaukee Brewers at Coors Field on October 1, 2009 in Denver, Colorado.
Starting pitcher Aaron Cook of the Colorado Rockies delivers against the Milwaukee Brewers at Coors Field on October 1, 2009 in Denver, Colorado.
Rockies fans cheer as Aaron Cook of the Colorado Rockies is walked with the bases loaded by starting pitcher Manny Parra of the Milwaukee Brewers to...
Starting pitcher Aaron Cook of the Colorado Rockies delivers against the St. Louis Cardinals at Coors Field on September 25, 2009 in Denver,...
Starter Aaron Cook of the Colorado Rockies pitches against the St. Louis Cardinals at Coors Field on September 25, 2009 in Denver, Colorado.
Starter Aaron Cook of the Colorado Rockies pitches against the St. Louis Cardinals at Coors Field on September 25, 2009 in Denver, Colorado.
Starter Aaron Cook of the Colorado Rockies pitches against the St. Louis Cardinals at Coors Field on September 25, 2009 in Denver, Colorado.
Starter Aaron Cook of the Colorado Rockies pitches against the St. Louis Cardinals at Coors Field on September 25, 2009 in Denver, Colorado.
Starting pitcher Aaron Cook of the Colorado Rockies heads to the dugout after Matt Holliday of the St. Louis Cardinals grounded out to first to end...
Matt Holliday of the St. Louis Cardinals grounds out to first base off of starting pitcher Aaron Cook of the Colorado Rockies to end the first inning...
