When a professional sports team signs a player to a contract, they will look for a variety of ways to protect themselves. The most common for NFL teams is non-guaranteed money, but also weight clauses and in-season roster bonuses. However, they can go beyond that to protect themselves from a player doing something to risk their health off the field.
Boston Globe NFL columnist Ben Volin recently discussed Rob Gronkowski’s contract with the New England Patriots. The deal includes language preventing Gronk from “engaging in any activity other than football which may involve a significant risk of personal injury.