Overview
- An out-of-competition sample collected on September 8, 2025, in Coral Springs, Florida, tested positive for testosterone.
- The suspension is retroactive to October 9, 2025, with eligibility to return on April 9, 2028.
- Usman admitted to using testosterone before the planned UFC Rio bout and to earlier use of the banned peptide BPC-157 after investigators presented independent evidence.
- CSAD added six months to the standard two-year sanction based on aggravating factors, including an initial false explanation.
- The positive test led to his removal from the October 2025 fight against Valter Walker, and CSAD noted DFSI collected the sample and SMRTL performed the analysis.