Every WWE fighter chooses what kind of clothes to wear in the ring, but if it's a mask, they have to be extremely careful. They can't lose it for anything in the world, even if they receive a hard beating. However, Kalisto couldn't handle the task.
In a live event, Kalisto lost his mask during a fight. It happened in a confrontation against Cedric Alexander, the cruiserweight champion.
Realizing the mistake, he only managed to keep his face glued to the ring. The referee quickly helped him by throwing him the mask so he could continue the fight.
Finally, Cedric Alexander was the winner. However, he was booed by the audience. Many were upset by the incident with Kalisto, even though it seemed to be an accident.