When it comes to the highest level of competition, UFC triumphs over all other MMA promotions. Hence, several MMA champions from different promotions have failed miserably in the UFC. So, let's take a look at the top 5 MMA athletes who failed in the UFC but were champions in other MMA promotions.
Askren was the longest-reigning welterweight champion in Bellator and ONE Championship. However, he failed miserably in the UFC and has a UFC record of 1-2.
The UFC heavyweight veteran, Alistair Overeem, was the Strikeforce, Dream, and K-1 MMA heavyweight champion. However, he has lost a total no. of 8 fights and failed to become a champion in the UFC.
Wanderlei Silva was the Pride FC middleweight champion. However, he failed in the UFC as he only won four fights out of his 11 total fights in the UFC, which makes his UFC record of 4-7.
Dan Henderson was the Pride FC middleweight and welterweight champion and Strikeforce Light Heavyweight Champion. However, he has a UFC record of 4-7 and failed to become a champion in the UFC.
Hector Lombard was the Bellator, Cage Fighting Championship, and AFC middleweight champion. Furthermore, he was also the XFC Light Heavyweight Champion. However, he failed miserably in the UFC as he lost his last six fights and has a UFC record of 3-8-1 (NC).