Carls John de Tomas has accepted a one-year suspension for an anti-doping violation stemming from an in-competition sample in relation to UFC Fight Night 123.
USADA announced the sanction in a statement on Monday:
De Tomas, 21, tested positive for furosemide, stemming from a urine sample he provided during the in-competition period on December 8, 2017, before his bout at the UFC Fight Night event in Fresno, Calif. Furosemide is a Specified Substance in the class of Diuretics and Masking Agents and prohibited at all times under the UFC Anti-Doping Policy, which has adopted the World Anti-Doping Agency Prohibited List.