There's no such thing as a sure thing in the NFL. If you look at the annual player draft, professional scouts regularly make a case for a young stud and tell their bosses there's no way that player can miss.
However, first-round draft picks may turn into superstars, but they may also turn into busts like Ryan Leaf or Akili Smith who flame out almost immediately.
But it's not about the bust-outs. It's really about the steals. The players who come from out of nowhere to become stars.
In this series, we will look at the biggest steals in NFL history—and not just in the NFL's recent past. In this edition, we examine quarterbacks.