Conor McGregor has been tested more frequently than any other UFC fighter in 2026, according to recent data. The former two-division champion continues to be subjected to regular drug testing by USADA despite remaining outside the octagon.
McGregor has not competed since his loss to Dustin Poirier at UFC 264 in July 2021, where he suffered a broken leg. The Irishman remains in the USADA testing pool as an active UFC roster member, requiring him to be available for random drug testing at any time.
Testing Protocol for Inactive Fighters
UFC fighters who remain under contract must continue to submit to drug testing even during extended periods of inactivity. The frequency of testing can vary based on multiple factors, including an athlete's profile and competitive history.
McGregor's Return Timeline
The former featherweight and lightweight champion has repeatedly discussed returning to competition but has not committed to a specific date or opponent. Any potential comeback would require McGregor to remain compliant with all USADA testing requirements.
The 2026 testing data show that McGregor continues to maintain his eligibility for competition through compliance with regular testing.
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