Chelsea winger Mykhailo Mudryk has reportedly failed a doping test, according to reports from Tribuna.com.

A banned substance was found in Mudryk’s ‘A’ sample, which was taken at the end of October. The ‘B’ sample is expected to be opened in the coming days to confirm or refute the findings.

Mudryk and his representatives have yet to publicly comment on the matter, but Tribuna.com has reached out to both the player and his manager for a response. Any statements will be released as soon as they are received.

The 23-year-old Ukrainian international now faces the possibility of a ban from football if the ‘B’ sample also tests positive, with further investigations likely to follow. Chelsea are yet to issue an official response regarding the situation.