#2 Being late for events

Over the years, we've heard of a number of WWE Superstars who have gotten into trouble for reaching a live event or show late including Big Cass who was released last year for this and other reasons.
In fact, WWE issued a zero tolerance policy on being late in 2014 and any Superstar who reaches late is fined on the spot. The cut off time is 2 PM ET for RAW and 2 PM local time for SmackDown Live.
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#1 Alcohol

Despite what you may think after watching Stone Cold Steve Austin chugging beer inside a WWE ring, WWE is actually very strict about alcohol. Obviously, wrestlers are not allowed to wrestle inebriated or under the influence but it doesn't stop there.
WWE Superstars are not allowed to consumed alcohol in the 12 hours prior to a live event or taping. Violating this can land Superstars a hefty fine.