At 42 years old, Cub Swanson ends his professional MMA career a winner, dropping Nate Landwehr three times en route to a first-round knockout victory.

Swanson dropped Landwehr with a left hand, and then again with a right. Swanson then cracked Landwehr with a right hand to fold him again, prompting referee Herb Dean to wave off the action.

Cub Swanson Retires After First-Round Finish Of Nate Landwehr At UFC 327

Swanson made his professional MMA debut in July 2004, working his way up by competing in promotions like King of the Cage and the WEC. Swanson made his UFC debut in November 2011, going 10-3 between then and April 2017, scoring wins over the likes of Charles Oliveira, Dustin Poirier and Jeremy Stephens. Two of the three losses came against Max Holloway and Frankie Edgar.

Landwehr has now lost four of his last five fights, though he still holds three post-fight bonuses in his last six.