Marlin Briscoe, Joe Gilliam and James Harris break the NFL's color barrier at QB despite resistance.

In the '70s, most Black QB hopefuls must switch positions in the NFL, while others head to Canada.

Doug Williams endures racism and personal tragedy to become the first Black QB to win a Super Bowl.

Black QBs of the '80s and '90s revolutionize how the position would be played going forward.