Chael Sonnen's Professional MMA debut
Sonnen made his professional debut against Ben Hailey on May 10, 1997, fighting on the main card of UFCF: Battle Of Fort Vancouver.
He made a winning start to his career, defeating Ben Hailey who carried a 0-2-0 professional MMA record into the fight.
Chael Sonnen beat Ben Hailey by Decision at 10:00 of Round 1.
Chael Sonnen's Ultimate Fighting Championship Career
Sonnen made his debut in the UFC against Renato Sobral on October 7, 2005, fighting on the main card of UFC 55: Fury having compiled a 14-6-1 professional MMA record.
Chael Sonnen lost to Renato Sobral by Submission at 1:20 of Round 2.
Since his debut, Sonnen has gone on to fight a total of 14 more times in the UFC. His UFC record stands at 7-7-0.
Outside the UFC
After his UFC stint, Sonnen took his next fight at BF on August 22, 2006, fighting against Tim Credeur on the of the regional circuit.
Chael Sonnen beat Tim Credeur by KO/TKO at 2:18 of Round 1.
Return to Ultimate Fighting Championship
After 8 fights outside of the promotion, Sonnen returned to the UFC on February 21, 2009, fighting against Demian Maia on the main card of UFC 95: Sanchez vs. Stevenson.
At the time of his UFC return, his professional MMA record stood at 22-9-1
Chael Sonnen lost to Demian Maia by Submission at 2:37 of Round 1.
Failed UFC title challenge: UFC Middleweight Championship loss to Anderson Silva
Sonnen lost his 1st middleweight title challenge, losing to Anderson Silva on August 7, 2010 at UFC 117: Silva vs Sonnen.
Chael Sonnen lost to Anderson Silva by Submission at 3:10 of Round 5. Both fighters earned a post-fight bonus, after the bout was awarded Fight of the Night.
Failed UFC title challenge: UFC Middleweight Championship loss to Anderson Silva
Sonnen lost his 2nd middleweight title challenge, losing to Anderson Silva on July 7, 2012 at UFC 148: Silva vs. Sonnen 2.
Chael Sonnen lost to Anderson Silva by KO/TKO at 1:55 of Round 2.
Failed UFC title challenge: UFC Light Heavyweight Championship loss to Jon Jones
Sonnen lost his 1st light heavyweight title challenge, losing to Jon Jones on April 27, 2013 at UFC 159: Jones vs. Sonnen.
Chael Sonnen lost to Jon Jones by KO/TKO at 4:33 of Round 1.
When was Chael Sonnen's last win?
Sonnen's last win came against Quinton Jackson at Bellator 192 on Saturday January 20, 2018. Chael Sonnen beat Quinton Jackson by Decision at 5:00 of Round 3.