Being a backup quarterback in the NFL is one of the most thankless jobs in the entire league. On one hand, you're expected to study and prepare for every single game as if you're the starter, just in case your team needs you to step up and play for any reason. But on the other, you usually don't play, which means that you spend hours and hours preparing for a moment that ultimately never comes.

Every now and then, though, that moment does come for a backup quarterback. And over the years, we've seen some backup QBs make the most of it and perform at a very high level once they get their opportunity to shine. Here are 10 Backup NFL Quarterbacks Who Finally Got Their Chance and Owned the Moment.