The UFC’s return to Mexico just got a boost, as the promotion announced that the co-main event will be a long-awaited lightweight fight between former Strikeforce champion Gilbert Melendez and former Bellator champion Eddie Alvarez. The news was announced by the UFC on Twitter: #UFC188 adds co-main event @GilbertMelendez vs @Ealvarezfight http://t.co/V9JT2WRrm9 pic.twitter.com/dujooi0XnZ — UFC […]