Watson attended Northwestern High School in Rock Hill, South Carolina and was a letterman in football. In football, as a senior, he caught 31 passes for 515 yards. The two-time All-Region selection and Northwestern HS Student of the Year led his team to the state championship in his junior season. He was also a member of his high school chapter of The Fellowship of Christian Athletes.
Watson played football at Duke University prior to transferring to the University of Georgia where he majored in finance. In 3 seasons at Georgia he had 65 catches for 852 yards and 6 TD.
2001 (Georgia): 11 catches for 187 yards with 1 TD.
2002 (Georgia): 31 catches for 341 yards with 3 TD.
2003 (Georgia): 23 catches for 324 yards with 2 TD.
New England Patriots
Watson entered the league after scoring a 48 on his Wonderlic Test. He was drafted by the New England Patriots 32nd overall in the 2004 NFL draft. He was on the injured list for almost his entire rookie season for the Patriots, playing in only one game.
He continued to battle injuries throughout his stint in New England, starting just 47 games in six seasons with the team. He nabbed a career-best six touchdown passes in the Patriots' undefeated 2007 campaign, third best on the team.
On March 12, 2010, Watson signed a three year deal with the Cleveland Browns reuniting him with former Patriots assistant coach, Eric Mangini. In the 2010 season, Watson led the Browns in receptions, receiving yards, and receiving touchdowns (tied with Brian Robiskie).