Dwight Freeney/Robert Mathis: B-
Freeney was able to get get into Tom Brady's face a few times on the night, finishing with one of just two of the Colts' QB hits, and one of the Colts' tackles for a loss. Mathis had a similar story, getting two tackles on the night and the second quarterback hit. Nevertheless, the Colts have to get more from these two, or the porous secondary will be victims every week.
Kavell Conner: C-
Conner was out of his element tonight, as the Colts played a team with passing matchups specifically designed to take advantage of linebackers in coverage. Conner played well against the run, but when asked to guard Gronkowski... touchdown Patriots.
Jerrell Freeman: C+
Freeman gathered a lot of tackles on the night, finishing with 12 to lead the team, but he struggled in coverage, specifically against (who else?) Gronkowski. Freeman did have good coverage on Welker early in the game, which led to a few stops, but overall got abused by Gronkowski.
Pat Angerer: B-
Angerer did a good job in coverage in spare minutes, finishing with three tackles and a wicked hit to get a stop on third down. He'll likely be phased more into the defense as time goes on, as he's battled his foot injury over the last few weeks.