Craig Robert Hansen (born November 15, 1983) is an American former Major League Baseball (MLB) pitcher who played for the Boston Red Sox and Pittsburgh Pirates between 2005 and 2009.

[3][4] Hansen posted a 3–2 record with 14 saves in his junior season of 2005, registering 85 strikeouts in 64 innings pitched, a 1.68 ERA, and was named a first-team All-American by Baseball America.

[5][6] With the 26th pick in the first round of the 2005 Major League Baseball Draft, the Boston Red Sox selected Hansen and signed him to a four-year deal valued at $4 million.

[7] The Red Sox added him to the 40-man roster, assigning Hansen to a conditioning stint in Fort Myers before sending him to the Double-A Portland Sea Dogs.

Hansen joined the Boston Red Sox as a late season call-up, making his major league debut on September 19 against the Tampa Bay Devil Rays.

[13] On July 31, 2008, Hansen was traded to the Pittsburgh Pirates along with Brandon Moss in a three-team deal that sent Manny Ramirez to the Los Angeles Dodgers and Jason Bay to the Boston Red Sox.