Former UFC welterweight champion Georges St. Pierre says he is ending his three-year absence from mixed martial arts.

St. Pierre confirmed his plans Saturday with a video posted on his Facebook page and official Twitter feed.

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The video ends with St. Pierre looking into the camera and saying: "It's official. I'm back."

The Canadian star was among the UFC's biggest pay-per-view draws during his nearly six-year reign as its 170-pound champion. He has won 12 consecutive fights since 2007, including a narrow decision over Johny Hendricks in November 2013.

St. Pierre announced an extended break from fighting afterward, and he dealt with injury problems before closing in on a return recently.

UFC President Dana White told the Los Angeles Times on Friday that St. Pierre had signed a multi-fight contract.