Riggs in the organization with six victories in his last seven fights that took place between 170 and 185 pounds.

The authorities have not announced whether the 28-year veteran will be part of a tournament of the season should average four, which begins in March on MTV2.

Riggs, a wrestler twice All-American High School and Golden Gloves champion, made his MMA pro debut as a 17-years. Previous wins have come against the likes of Nick Diaz, Kendall Grove, Chris Lytle and Rob Kimmons. But in recent years, the native of Arizona struggling with injuries, but he said he is now injury-free.

"Bellator is much more versatile, talented young guys in their mid-range area as Bryan Baker, Eric Schambari and of course the middleweight champion Hector Lombard" Riggs said. "There are some really good middleweights for me to test myself against, and was one of the reasons I came Bellator.

Report this product have also recently added Strikeforce vet Jay Hieron colleagues to his list. Hiero is the only battle that defeated Riggs during his recent surge.

"Joe Riggs is a veteran who has made the battle he brings to every game," Report this President and Chief Executive Bear Rebney said. "It is a great addition to our middleweight division, and I'm looking forward to seeing Joe in action during the four seasons."