He failed to win gold in the organization, but took on some of the biggest names in the MMA world.
Sonnen only lost to high-level fighters such as Jon Jones, Rashad Evans, Anderson Silva and Demian Maia. 'The American Gangster' managed to get the better of legends like Maurício Rua and Michael Bisping.
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Chael Sonnen left the UFC after losing to Rashad Evans at UFC 167: St-Pierre vs. Hendricks. The contest failed to go past the first round. His most recent win was against Maurício Rua at UFC Fight Night 26 back in 2013. It was also his last UFC win.
The 45-year-old retired from professional MMA back in 2019, with his final outing taking place in Bellator. Lyoto Machida managed to finish Sonnen in the second round at Bellator 222.
The American ended his career after losing back-to-back bouts in the organization, with Fedor Emelianenko also getting the better of Sonnen before Machida.
What is Chael Sonnen's Bellator record?
Sonnen has a 2-3 record in Bellator, losing against Lyoto Machida, Fedor Emelianenko and Tito Ortiz after joining the MMA company in 2017.
Sonnen lost his debut bout against Ortiz, but managed to bounce back from the defeat in his next few outings. The 45-year-old went on to beat Wanderlei Silva and Quinton Jackson via decision in back-to-back fights.
All of Sonnen's Bellator defeats came via stoppage and none of the contests managed to get past the second round.
Chael Sonnen can look back on a very successful MMA career despite failing to win UFC gold. The 45-year-old now works as a MMA analyst and also runs his own YouTube channel, posting fight-related videos daily.