#1 Jon Jones

Jon Jones is considered to be one of the most naturally gifted athletes in the UFC. Whenever he steps into the cage, he backs up this assumption with his performance. At the same time, Jones is one of the most controversial fighters out there.
The initial stages of his career saw him dominate the UFC Light Heavyweight division. He became a champion when he was 23-years-old and he secured wins over some big names like Chael Sonnen, Vitor Belfort, Lyoto Machida and Quinton Jackson among others.
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However, one month prior to his victory over Daniel Cormier at UFC 182, Jones tested positive for cocaine. He was not suspended since the incident took place in the Pre-USADA era and since the substance that he tested positive for was not banned by WADA when detected in the out-of-competition scenario.
Jones then tested positive for Clomiphene and Letrozole ahead of his UFC 200 fight against Daniel Cormier and this resulted in a one-year ban. Jones returned in 2017 and defeated Cormier to become the Light Heavyweight champion once again, but his reign didn’t last long after he was stripped and suspended for failing yet another drug test.
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