Even with the growth of the new media in the 21st century, the professional athlete guarantee of victory is still one of the rarest events in sports.
With athletes signing up for Twitter accounts seemingly every hour, the chances of more boasting and guarantees of greatness are inevitable, and will eventually lose its impact.
When fans look at the histories of their respective sports, the touchstone moments are usually when athletes have predicted victory for themselves or for their team.
Baseball has Babe Ruth calling his home run shot in the 1932 World Series. Hockey has Mark Messier guaranteeing a win over the New Jersey Devils in the 1994 NHL Eastern Conference Finals. Football has some guy who used to shill pantyhose in the 60s, calling for victory over an overwhelming Super Bowl favorite.
The simple act of saying "We're going to win. I guarantee it," can generate controversy, and it can also motivate a team. What most coaches fear, however, is that it motivates the opposing team.
The notable guarantees in NFL history come in all shapes and sizes. Crazy. Iconic. Hilarious. Bold.
Here are the 10 boldest guarantees in NFL history.