Carson Palmer (2002) - Drafted by Bengals. Has played for the Bengals, Raiders, Cardinals in his career.
Sam Bradford (2008) - Drafted by Rams. Currently with the Eagles.
Cam Newton (2010) - Drafted by Panthers.
Robert Griffin III (2011) - Drafted by Redskins. Benched in Washington, probably done in Washington.
Johnny Manziel (2012) - Drafted by Browns.
Jameis Winston (2013) - Drafted by Bucs.
Marcus Mariota (2014) - Drafted by Titans.