Many professional athletes can afford to tip their waiter or waitress well even if the service is less than stellar, but there are some who will only tip based on their experience.
An overly generous tip will gain the athlete a fan for life, while a cheap tip will generate lots of buzz—negative buzz. Buffalo Bills running back LeSean McCoy has dealt with being called out for a tiny tip in the past.
Now, it's Pittsburgh Steelers running back DeAngelo Williams in the crosshairs. And he's not just going to let someone rip him without defending himself.