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Former NCAA and NFL great Herschel Walker has signed a multi-fight deal with Strikeforce.

The signing was first reported by AOL FanHouse, which confirmed the deal with Strikeforce executive Mike Afromowitz.

No debut date has been set for the 47-year-old former Heisman Trophy winner and two-time Pro Bowl running back, who's never competed professionally in mixed martial arts.

Herschel, a longtime martial artist and sixth-degree black belt in tae kwon do, has hinted at a possible move into MMA for the past few years. He's also been spotted at many MMA events and even was announced as part of an EliteXC/Mark Burnett reality show that never got off the ground.

Herschel wouldn't be the first NFL vet to compete in MMA, though the former Dallas Cowboy certainly would be one of the most known (and oldest). Four former NFL players were cast for the current 10th season of "The Ultimate Fighter," and others such as Michael Westbrook, Rex Richards and Herbert "Whisper" Goodman have competed in organizations across the country.

Walker's Strikeforce debut will likely come in 2010, according to the report.