Former two-time UFC bantamweight champion TJ Dillashaw retires from MMA, per reports | CBS Sports Headlines Former two-time UFC bantamweight champion TJ Dillashaw retires from MMA, per reports Dillashaw suffered a brutal shoulder injury in his last outing that would make it difficult to return to competition any time soon … Continue reading Former two-time UFC bantamweight champion TJ Dillashaw retires from MMA, per reports