Matthew Thomas Daley (born June 23, 1982) is an American former professional baseball pitcher.

He played in Major League Baseball for the Colorado Rockies and the New York Yankees.

He made his major league debut on April 25, 2009, against the Los Angeles Dodgers, pitching 1 inning and getting his first strikeout.

After the 2011 season, Daley signed a minor league contract with the New York Yankees, receiving an invitation to spring training.

Daley began the 2014 season with Triple-A Scranton/Wilkes-Barre, and was promoted to the major leagues on April 19 replacing Cesar Cabral who had been designated for assignment after hitting 3 batters and being ejected in the previous night's game.

[9] Daley retired at the end of the 2014 season due to shoulder issues and was hired by the Yankees as a professional scout.