As UFC's relationship with the United States Anti-Doping Agency prepares to come to an end, a list of the fighters who have been subject to the most drug tests this year has been released.
Using testing data from USADA's website, MMA Junkie's Nolan King found that Paul Costa was the most-tested fighter (36 times) between Jan. 1 and Dec. 26.
Charles Johnson was the only other fighter tested more than 30 times (33), followed by UFC heavyweight champion Jon Jones in third place with 26 tests under his belt.
Most USADA Tests for MMA Fighters in 2023
- Paul Costa: 36
- Charles Johnson: 33
- Jon Jones: 26
- Shara Magomedov: 25
- Ariane Carnelossi: 23
- Magomed Ankalaev: 22
- Jessica Andrade: 21
- Marlon Vera: 21
- Clay Guida: 20
- Kamaru Usman: 20
This article will be updated soon to provide more information and analysis.