Veteran light-heavyweight mixed martial artist Gilbert Yvel (38-16-1) has announced his retirement from MMA after a 16 year career competing in organizations such as the UFC, PRIDE, K-1, Affliction, RINGS, M-1 Challenge, and Cage Rage. Yvel told groundandpound.de of his retirement after a series of fight postponements and cancellations, as well as a kidney issue. […]