Dan Marino
Drew Bledsoe
It has never happened.
Cliff Stoudt was on the Pittsburgh Steelers who won Super Bowls XIII and XIV and did not play in a single game much less start a game.
It has never happened yet.
No. The Hall of Fame quarterback never played on a Super Bowl team.
No, a rookie quarterback has never won the Super Bowl. The Bucs starting QB in Super Bowl XXXVII was Brad Johnson who was 34 years old.
Dan marino
he was never drafted
Yes. Although it's very rare. One recent notable example is Matt Cassel, who was taken with the 230th pick in the 7th round of the 2005 NFL Draft by the New England Patriots. He never started at quarterback once during his entire career at USC. He is currently the starting quarterback for the Kansas City Chiefs.
This event has never occured.
Four
Many players have never been drafted.