Career
He was signed undrafted by the Saint Louis Cardinals in 2006 after attending Tusculum College. He is 6" 5", 190 lbs. In 2006, playing for the New Market Rebels in the Valley Baseball League, Dickson had a league-leading and franchise record 13 saves, and led the league in wins, going 5-0 in 26 relief appearances.
His contract was purchased from American Automobile Association-Memphis on June 30, 2011, and called up to fill the roster spot vacated by Ryan Franklin"s release the previous day.
He made his major league debut on July 2, 2011 against the Tampa Bay Rays, pitching a perfect 1.2 Intellectual Property in the 7th-8th inn. giving up no hits, no runs, no walks, and no strikeouts. 2007 Midwest League (A) Mid-Season All-Star.