Amateur career Doane made his MMA debut as an amateur in April 2007, when he faced Chris Williams at Hawaii Fighting Championship: Stand Your Ground 3. He lost the via guillotine choke submission.
Early career Doane made his professional MMA debut on March 15, 2008, when he faced Tyson Nam at Icon Sport: Baroni vs. Hose. He won his debut via TKO. Doane faced Frank Baca at
KOTC: Ali'is on July 14, 2012, for the
KOTC Flyweight Championship. He won the fight via unanimous decision. He faced former UFC fighter Jared Papazian at
Tachi Palace Fights 17 on November 14, 2013, for the
TPF Bantamweight Championship. He won the fight via TKO (elbows) in the fourth round to win the championship.
Ultimate Fighting Championship Following his championship win over Papazian in November 2013, Doane would make his UFC debut on January 4, 2014, against
Leandro Issa at
UFC Fight Night 34. He won the fight via technical submission. Doane next faced
Marcus Brimage on July 5, 2014, at
UFC 175. He won the fight via split decision. Doane faced
Iuri Alcântara on September 13, 2014, at
UFC Fight Night 51. He lost the fight via unanimous decision. Doane faced
Jerrod Sanders on July 12, 2015, at
The Ultimate Fighter 21 Finale. He lost the fight via unanimous decision. Doane was briefly linked to a bout with
Michinori Tanaka on January 2, 2016, at
UFC 195. However, Doane was forced from the bout with injury and replaced by
Joe Soto. Doane next faced
Pedro Munhoz on July 7, 2016, at
UFC Fight Night 90. He lost the fight via submission in the first round. Doane was tabbed as a short notice replacement to face
Mirsad Bektić in a featherweight bout on October 8, 2016, at
UFC 204, filling in for
Arnold Allen. He lost the fight via submission in the first round. Doane faced Kwan Ho Kwak on June 17, 2017, at
UFC Fight Night 111. He won the fight via TKO in the first round. Doane faced
Rani Yahya on February 24, 2018, at
UFC on Fox 28. He lost the fight via submission in the third round. It was reported that Doane was released from UFC on October 2, 2018.
Post-UFC career As the first fight after his UFC release, Doane faced Diego Silva at Destiny MMA on March 2, 2019. He won the fight via unanimous decision. ==Personal life==