The Leeds goalkeeper’s 97th-minute mistake gifted Sunderland a 2-2 draw and kept the hosts top of the Championship
The Juventus midfielder was sanctioned in March, having been provisionally suspended in September last year, after testing positive for dehydroepiandrosterone (DHEA).
Sunday’s 3-0 home defeat at Tottenham was compounded four days later as United blew a two-goal lead against Porto