Former two-time UFC bantamweight champion TJ Dillashaw, a 36-year-old fighter from Sonora, California, has informed the UFC that he has retired following shoulder surgery, his agent confirmed to ESPN on Monday.Former two-time UFC bantamweight champion TJ Dillashaw, a 36-year-old fighter from Sonora, California, has informed the UFC that he has retired following shoulder surgery, his agent confirmed to ESPN on Monday.Read More