In his initial year at Florida State, Watson played in 12 games and earned one starting assignment at the weakside linebacker position against Boston College, stepping in for the injured Geno Hayes.

He totaled 23 tackles to finish second on the team among first year players (second to Myron Rolle) in total tackles, and earned All-ACC Freshman Team honors by The Sporting News.

As a sophomore, Watson started all 12 games during the regular season at the strong side linebacker position and ranked fifth on the team with a single-season career-high 50 tackles.

Watson was selected by the Tampa Bay Buccaneers in the seventh round of the 2010 NFL draft.

[6] Watson signed with the Dallas Cowboys on November 13, 2014, just four days after playing against them as a member of the Jacksonville Jaguars.

[9] On March 17, 2017, Watson signed a three-year deal worth $6 million with the San Francisco 49ers.

[12] On December 5, 2018, Watson was placed on injured reserve for the second time in a year with a calf injury.