The remarkable Colts backup quarterback who was a two-time All-Pro

Indianapolis Colts helmet | Frederick Breedon/GettyImagesLong-time Indianapolis Colts fans should already know who I’m talking about. For those born in this century, it’s time to crack open the history books and head east to Baltimore.

He played 21 seasons in the NFL, yet only won the starting role in six of them. Those things tend to happen when you play behind not one, not two, not even three, but four freaking Hall of Fame quarterbacks. Unbelievably, he was traded for a fifth Hall of Famer as well. He was trapped on some bad teams and played behind a couple of guys who, frankly, had no business starting ahead of him.

It's true that he only played four seasons for the guys with the…