LAS VEGAS – Jesus Santos Aguilar says he won the battle of wills against Erisson Ferreira da Silva at Dana White’s Contender Series 51. Aguilar (8-1) earned a UFC contract by submitting da Silva in Round 3 on Tuesday . The flyweights exchanged positions in what was a back-and-forth battle, but ultimately it was Aguilar who was able to finish the fight with a guillotine choke.