Former super-welterweight champion Jaime Munguia (45-2, 35 KOs) could face disciplinary action, after his B-sample came back positive for a banned substance following his May 3 unanimous decision victory over Bruno Surace (26-1-2) in the rematch. Munguia’s victory could be overturned to a no-contested and he might face from 6 months to one year suspension. […]