- Remember Tom Brady’s 2008 ACL? Matt Cassel — who hadn’t played a competitive snap since high school — was thrust in and helped the Patriots win that opener.
- Backup QBs live with constant, nerve‑wracking readiness: they often get little prep, are judged as starters instantly, and sometimes play through serious injuries (Josh McCown finished a playoff game with a torn hamstring; Dan Orlovsky played on a wrecked ankle).
- The backup life is equal parts awkward and surreal — teams prioritize the starter, and small moments (like Cassel getting a $10,000 fine for wearing a Nike hat at a Reebok partner press conference) make for great locker‑room stories.
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