Early career Roller made his professional mixed martial arts debut in 2007 and compiled a record of 3–1 before being signed by the
WEC.
World Extreme Cagefighting Roller made his WEC debut defeating
Todd Moore at
WEC 35 via submission (guillotine choke) at 3:00 of the first round. This was followed by another first round submission win over previously undefeated
Mike Budnik at
WEC 37. Roller faced future
UFC Lightweight Champion Benson Henderson on April 5, 2009, at
WEC 40. He lost the fight via TKO due to punches in the first round. Roller rebounded from his loss to Henderson defeating former Lightweight title challenger
Marcus Hicks via unanimous decision on August 9, 2009, at
WEC 42. Roller defeated
Danny Castillo on November 18, 2009, at
WEC 44 via submission in the third round, earning
Submission of the Night honors. Roller faced
Anthony Njokuani on April 24, 2010, at
WEC 48. He won the fight via first-round rear-naked choke submission. Roller faced
Anthony Pettis on August 18, 2010, at
WEC 50. Following a back and forth battle, the visibly exhausted Roller was submitted by Pettis via triangle choke with seconds left in the bout. Roller faced former
WEC Lightweight Champion Jamie Varner on December 16, 2010, at
WEC 53. He won via submission in the first round.
Ultimate Fighting Championship In October 2010, World Extreme Cagefighting merged with the
Ultimate Fighting Championship. As part of the merger, all WEC fighters were transferred to the UFC. Roller defeated
Thiago Tavares via second round KO on March 3, 2011, at
UFC Live: Sanchez vs. Kampmann, earning
Knockout of the Night honors. In his second UFC fight, Roller faced
Melvin Guillard on July 2, 2011, at
UFC 132. He lost the fight via KO in the first round. Roller faced
T. J. Grant on October 1, 2011, at
UFC on Versus 6. Roller lost via controversial armbar submission in round 3. Roller faced
Michael Johnson on January 28, 2012, at
UFC on Fox 2, replacing an injured
Cody McKenzie. Roller lost via unanimous decision (29-28, 29-28, 29-28). Roller defeated
John Alessio on July 7, 2012, at
UFC 148 via unanimous decision. Roller was expected to face
Jacob Volkmann on September 1, 2012, at
UFC 151. However, after
UFC 151 was cancelled, Roller/Volkmann was rescheduled and instead took place on October 5, 2012, at
UFC on FX 5. Roller was taken down early in the fight and eventually submitted via rear naked choke. Shortly after the event Shane announced his retirement from mixed martial arts competition. ==Personal life==