Shakur Stevenson's partnership with Dana White's Zuffa Boxing is over before he ever stepped into the ring for the promotion.

According to ESPN , the undefeated four-division champion announced that he's officially a free agent after requesting his release from Zuffa Boxing, just three months after signing a multi-fight deal. Stevenson also revealed plans to launch his own promotional company, giving him more control over his career and future opponents.

"I requested to be released from Zuffa Boxing," Stevenson said. "Now, over the weekend, my request has been granted, and now I am officially a free agent."

The 29-year-old explained that he'd spent nearly two months training for fights that never materialized, though he declined to blame anyone.

"I've been in camp for like eight weeks, preparing for fights that I was told was going to happen and have not happened," Stevenson said. "It is what it is. This is the business of boxing.…