How to get tickets (they’re free) if you’re heading to SoCal NFL training camps
For the Rams and Chargers, public training camp sessions require advance tickets, which are free. For the Cowboys, you can just show up, though there is limited capacity. Here are some other tips for your NFL visits.
from California https://www.latimes.com/travel/story/2019-07-30/tickets-for-nfl-training-camps-southern-california