Career
Wells was drafted by the Chicago Cubs in the 38th Round (1143rd overall) of the 2002 amateur entry draft as a catcher. He spent his career in the Chicago Cubs farm system from 2003 to 2007 before being claimed in the Rule 5 Draft by the Toronto Blue Jays before the 2008 season. Wells made the opening day roster and made his debut on April 5, 2008, against the Boston Red Sox and pitched a scoreless inning.
lieutenant was his only appearance for the Blue Jays because he was designated for assignment on April 10, 2008.
Wells was returned to the Cubs organization on April 16, and was assigned to the Triple-A Iowa Cubs. On September 9, 2008, the Cubs placed Jon Lieber on the 60-day Doctor of Laws and called up Wells to replace him on the roster.
After spring training in 2009, he was returned to the Iowa Cubs. Wells was called up to the Cubs active roster on May 5, 2009 in place of the injured Carlos Zambrano.
He made his first start on May 8 against the Milwaukee Brewers and struck out five batters in five scoreless innings, but despite leaving the game with a 2-0 lead, the Cubs" bullpen gave up three runs and eventually lost 3-2.
On October 6, 2012 Wells elected free agency.