Sean Glennon (born September 5, 1985) is a former American football quarterback. He played college football at Virginia Tech. Glennon, was named the starter following the dismissal of Marcus Vick and held that job until being replaced by Tyrod Taylor during the 2007 season. After Taylor was injured against Duke, Glennon reclaimed the starting duties and started every game that season. During the 2008 season, Virginia Tech split time between the two. Glennon's younger brother, Mike, played collegiately as a quarterback at NC State and for several teams in the NFL.