2006, Watson appeared in 12 games, however was inactive for the first four games of the season. He saw his first NFL action on the defense but did not record any statistics against the Kansas City Chiefs. Watson made his first NFL start for the injured Kendrick Clancy, during week six on Monday Night Football, recording two tackles against the Chicago Bears. He tackled Andrew Walter for his first career sack in only his second start while also recording three tackles and two quarterback pressures at the Oakland Raiders. In his third consecutive start, Watson recorded one tackle at the Green Bay Packers. He returned to the starting lineup and had three tackles at the St. Louis Rams. Watson recovered the first fumble of his career against the Seattle Seahawks. In each of the final three games of the season he recorded one tackle (three total). In 2007, Watson appeared in all 16 regular season games. He totaled 34 tackles (25 solo). Watson recorded his first statistics of the season during week three against the Baltimore Ravens. He recorded eight tackles, six solo. In week four against the Pittsburgh Steelers, he recorded two tackles (one solo). During week five against the Rams, Watson three tackles (three solo). In week six against the Carolina Panthers, he recorded five tackles (four solo). Then during week seven against the Washington Redskins, he recorded four tackles (three solo). In week nine against the Tampa Bay Buccaneers, he recorded on tackle. During week 10 against the Detroit Lions, Watson recorded one tackle. In week 11 against the Cincinnati Bengals, he recorded one tackle. In week 12 against the San Francisco 49ers, Watson recorded two tackles (two solo). During week 13 against the Cleveland Browns, he recorded one tackle (one solo). In week 14 against the Seahawks, Watson recorded two tackles (two solo). During week 15 against the New Orleans Saints, he recorded one tackle (one solo). In week 16 against the Atlanta Falcons, Watson recorded one tackle (one solo). In the season finale against the Rams, he recorded two tackles (one solo). In April 2008, Watson fractured his kneecap after falling on a treadmill at a health club. He underwent surgery on the knee and will not be able to participate in off-season practices. He will be limited when camp starts in July, but is expected to be ready for week one. In 2009, Watson