After being put on injury reserve the previous season, McIntosh set career highs in games played (16) and games started (15). He recorded 87 tackles, two sacks, an interception and two forced fumbles. On September 21, 2008, he made a season-high 12 tackles, one forced fumble and a half-sack in a win over the Arizona Cardinals. McIntosh had his first career interception on November 16, 2008 in a loss against the Dallas Cowboys. In that game, he also recorded eight tackles and two pass breakups.