5 most mismatched UFC retirement fights

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#4. Johny Hendricks vs. Paulo Costa at UFC 217:

Johny Hendricks vs. Paulo Costa

After the UFC tied up with USADA, Johny Hendricks' career took a downward trajectory. Hendricks was a top welterweight for most of his career who famously brought Georges St-Pierre to the closest decision of the Canadian's career. Many, including Dana White, believed Hendricks had won the fight.

'Bigg Rigg' lost four of his last five fights and failed to make weight in three. Hendricks was booked against then-undefeated Paulo Costa at UFC 217. Everyone in the MMA world was shocked by the fight's announcement, as many already knew the outcome.

The Brazilian put a beating on Hendricks. 'Bigg Rigg' was unable to cope with the volume of strikes thrown by Costa, and he ultimately succumbed to the pressure of 'The Eraser' in the second round.

Watch the finish below:

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#3. Randy Couture vs. Lyoto Machida at UFC 129:

Randy Couture is one of the greatest mixed martial artists of all time. Couture is a three-time heavyweight champion and a two-time light heavyweight champion. The Hall of Famer is tied with Stipe Miocic for the most number of wins in heavyweight title fights and became the oldest person to win a UFC title at 43.

'The Natural' was booked to fight Lyoto Machida at UFC 129 in Toronto. Couture had announced prior to the fight that the Machida fight would be his last. Machida was coming off two straight losses against Mauricio Rua and Quinton Jackson. The first round of the battle was evenly matched as both fighters exchanged strikes.

Machida found his range and timing as soon as the second round started. Couture seemed to be standing in front of 'The Dragon' with very little movement. In a move straight out of "The Karate Kid," Machida caught Couture with a perfectly timed front kick, knocking him out cold.