Harry Knight, who was drafted in the 9th round by the Raiders in the 1975 NFL Draft.
The Florida satte University quarterback you are thinking of is Andrew Skillern (Drew) Weatherford. He played for the University from 2004 - 2008.
He played quarterback.
Bobby Lackey who also played defensive back.
Bobby Bowden played for Woodlawn High in High School. He played as a Quarterback at University of Alabama as a Freshman. He played as a Quarterback at Howard (now Samford) as a Sophmore-Senior
Dan Reeves
Currently, Steelers backup quarterback Byron Leftwich and center Doug Legursky both played at Marshall University.
Drew Brees.
Yes, he was Casey Clausens backup quarterback from '02-'03
Darrell Royal was head coach of the University of Texas between 1959-1976 and played quarterback for the University of Oklahoma between 1946-1949
Ron Smith.Smith was a 10th draft choice of the Los Angeles Rams in 1964. He spent one season as a backup for the Rams before catching on with the Pittsburgh Steelers for the 1966 season. He played in 9 games that season, starting 7, with stats of 79 completions in 181 attempts for 1249 yards, 8 TDs, and 12 INTs.
Darrell Royal was head coach of the University of Texas between 1959-1976 and played quarterback for the University of Oklahoma between 1946-1949.