The San Francisco 49ers are more specific in their contracts while defining the types of activities that aren't allowed. Volin reports that, according to copies of the new contracts signed by Jimmy Garoppolo and Richard Sherman, 49ers players are not permitted to engage in the following activities.
- Skydiving
- Hang gliding
- Rock or mountain climbing
- Racing of any kind including as a driver or a passenger
- Motorcycling
- Use of any off-road or all-terrain vehicle
- Professional wrestling
- Boxing
- Firearms
- Scuba diving
- Jet skiing
- Surfing
- Bungee jumping
- Diving
- Snow or water skiing
That's a pretty extensive list. "Gronk is lucky he doesn't play for the 49ers," writes Volin.