By 2006, Smith had worked his way up to the Triple-A Pawtucket Red Sox and split the 2006 and 2007 seasons between Pawtucket and the Double-A Portland Sea Dogs.
He began the 2008 season with Pawtucket.
On May 18, 2008, the Red Sox called up Smith from Pawtucket to help out their bullpen.
On June 21, Smith made his debut against the St. Louis Cardinals at Fenway Park in the second inning with the bases loaded in relief of Daisuke Matsuzaka.
Smith recorded his first major league out by striking out Rick Ankiel on three straight changeups.
He then gave up a grand slam to Troy Glaus for his first earned run.
During his debut, he ended up going four innings, allowing just the one run, three hits, striking out three and not walking anyone.

Smith earned his first major league win on June 24, 2008, pitching two scoreless innings against the Arizona Diamondbacks in relief of starter Justin Masterson.
He was designated for assignment on October 17, and elected to become a free agent after clearing waivers.
By 2006, Smith had worked his way up to the Triple-A Pawtucket Red Sox and split the 2006 and 2007 seasons between Pawtucket and the Double-A Portland Sea Dogs. He began the 2008 season with Pawtucket. On May 18, 2008, the Red Sox called up Smith from Pawtucket to help out their bullpen. On June 21, Smith made his debut against the St. Louis Cardinals at Fenway Park in the second inning with the bases loaded in relief of Daisuke Matsuzaka. Smith recorded his first major league out by striking out Rick Ankiel on three straight changeups. He then gave up a grand slam to Troy Glaus for his first earned run. During his debut, he ended up going four innings, allowing just the one run, three hits, striking out three and not walking anyone.
Smith earned his first major league win on June 24, 2008, pitching two scoreless innings against the Arizona Diamondbacks in relief of starter Justin Masterson. He was designated for assignment on October 17, and elected to become a free agent after clearing waivers.
Chris Smith (pitcher, born 1981)