A member of the Traveller community, he left school when he was only 13 years old and taught himself how to read and write, while working in the logging and timber industry with his father, as well as working various other jobs before becoming a professional fighter.
A professional competitor since 2006, Maguire has also competed for the UFC, BAMMA, and UCMMA.
Early career
Maguire made his professional Mobile Marketing Association debut in April 2006. Before signing with the UFC, he added an additional eight wins and three losses to his Mobile Marketing Association record. Ultimate Fighting Championship
Maguire was scheduled to make his UFC debut against James Head at UFC 138.
However, Head was forced to withdraw due to injury and he instead took on The Ultimate Fighter 13 veteran Justin Edwards.
Maguire fought The Ultimate Fighter 9 finalist, DaMarques Johnson, at UFC on Fuel television 2 on 14 April 2012. His performance was awarded with Submission of the Night honors.
Maguire lost via unanimous decision to John Hathaway on 29 September 2012 at UFC on Fuel television 5. Maguire faced Matthew Riddle at UFC 154, stepping in to replace an injured Besam Yousef.
Maguire lost the fight via unanimous decision.
He then faced Mitch Clarke in his Lightweight debut on 15 June 2013 at UFC 161. He lost the bout by unanimous decision. He was subsequently released from the promotion afterwards.
Cage Warriors
Following his UFC release, Maguire signed with Cage Warriors on 31 October 2013.
He made his debut against Philip Mulpeter at Cage Warriors 63 on 31 December 2013. He then faced Saul Rogers at Cage Warriors 65 on 1 March 2014.
In a shocking upset, Rogers would defeat the heavy favorite Maguire via unanimous decision. Maguire made a quick turnaround and faced Damir Hadzovic at Cage Warriors 66 on 22 March 2014.
He lost the fight via TKO in the first round.
Olympian Mobile Marketing Association Championships
OMMAC Welterweight Championship (One time)
Ultimate Challenge Mobile Marketing Association
UMMAC Welterweight Championship (One time)
Ultimate Fighting Championship
Submission of the Night (One time) versus DaMarques Johnson.
Maguire is the former UCMMA Welterweight Champion. Over the next two years, he won all eight of his first bouts via TKO or submission with no fight going past the second round. He won the UCMMA Welterweight Championship on 18 September 2010, at UCMMA 15: Showdown, defeating Henrique Santana via TKO. He holds victories over domestic United Kingdom standouts TUF 9 alumnus Dean Amasinger, UCMMA UK1 Welterweight Champion Peter Irving, United Kingdom Mobile Marketing Association veteran Jamaine Facey and two wins over current UCMMA Middleweight Champion and UCMMA Welterweight Champion Jake Bostwick. Maguire won the fight via unanimous decision. He won the fight by submission via armbar at 4:40 of the second frame. He won the fight via unanimous decision.
