It's the never-ending debate: Who's the best quarterback of all time?
Some fans say it's Joe Montana. Others claim it's Terry Bradshaw or Bart Starr. Don't forget about Dan Marino and Cleveland Browns legend Otto Graham.
On Monday, John Clayton ranked New England Patriots' quarterback Tom Brady as the greatest of all time.
Now it's your turn to rank the best of the best. Check out the rankings below and vote up who you think is out of their rightful place on the list.
When Super Bowl LI kicks off on Sunday, two of the NFL's best -- Brady and Atlanta Falcons' quarterback Matt Ryan -- will face off in what could potentially be a classic quarterback battle in football's biggest game of the year.