UFC Legend Retires In The Octagon After KO Victory Cub Swanson retired at UFC 327 after a R1 TKO over Landwehr. Left his gloves in the Octagon. 42 years old, 31-14 record. Coaching next. Content Original Link: https://sports.yahoo.com/articles/ufc-legend-retires-octagon-ko-120040028.html