Who is the best back up qb in the NFL?

The best backups in 2011

Tj Yates (Texans)

Matt Flynn (Packers)

Vince Young (Eagles)

Mike Kafka (Eagles)

Tim Tebow (Broncos)

Bruce Gradkowski (Raiders)

Matt Moore (Dolphins)

John Beck (Redskins)

The Best Backups in the last twenty years:

Doug Flutie

Tom Brady

Kurt Warner

Aaron Rodgers

Marc Bulger