Chael Sonnen came out of retirement on Thursday, but surprised nearly everyone by signing a multi-fight contract with Bellator MMA, not the UFC . Sonnen’s UFC run ended in turmoil, when he failed multiple drug tests. He retired during the adjudication process. Although he initially thought his retirement was the end of his competitive mixed martial arts career, Sonnen shifted gears and decided to stage a comeback. In his return, Sonnen is going to have to abide by a newfound culture focused on testing for performance-enhancing drugs. He insists he’s not going back to his former ways, and he best not
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Chael Sonnen Faces Crippling Fines if He Tests Positive at Bellator – MMA Weekly