Conor McGregor has emerged as the most tested fighter in the UFC in 2026, with a total of seven test sessions already recorded this year, a number that has quickly caught the attention of fans and analysts.

What makes the situation even more notable is how rapidly the number has increased. Just last week, McGregor had undergone five tests, meaning two additional sessions were conducted in a very short span of time. The sudden jump has fueled speculation about a potential return to competition, as increased testing activity is often linked to fighters re entering the active pool.

For context, no other UFC fighter has recorded more than three tests so far in 2026, highlighting just how far ahead McGregor is in terms of monitoring. The gap suggests a clear focus on the former two division champion, whether due to his profile, comeback plans, or both.

Signs Point Toward a Comeback

McGregor has not fought since his injury in 2021, but discussions around his return have been ongoing. Increased testing is typically required for fighters looking to compete, as they must meet strict anti doping protocols before being cleared to fight.

The seven test sessions indicate that McGregor is actively being monitored, which often aligns with preparation for a return. While there has been no official fight announcement, the testing activity adds weight to the idea that movement is happening behind the scenes.

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Given his star power, any comeback involving McGregor would instantly become one of the biggest events in the sport. His presence alone has historically driven massive pay per view numbers and global attention.

At this stage, the numbers tell a clear story. McGregor is not only back in the testing pool, he is leading it by a significant margin. Whether that translates into a confirmed fight remains to be seen, but the signs are becoming harder to ignore.

For now, the focus remains on the testing figures, and they suggest that one of the UFC’s biggest names could be edging closer to stepping back into the Octagon.

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