Only time players don't travel are when they are ruled out for injury or there are extenuating circumstances.— Stephen Holder (@HolderStephen) January 17, 2015
The Colts will also be without running back Trent Richardson, who did not travel with the team due to personal reasons. Linebacker Josh McNary was also placed on the commissioner's exempt list on Thursday after McNary was charged with rape.
Neither Nixon nor Richardson was going to dress for Sunday's game, according to Bob Kravitz of WTHR.com.
The Patriots finished 12-4 and have lost in the conference finals the past two seasons.
- Mike Fiammetta