UFC on Versus 3’s Roller anxious to match grappling chops with Tavares

Shane Roller is “all systems go” for his inaugural trip to the UFC.

The 31-year-old Roller is an eight-time veteran of the UFC’s sister promotion, World Extreme Cagefighting, and former top contender in the lightweight division.

A seamless post-merger transition to the big stage is something he fully expects.