Indianapolis Colts LB Erik Walden (rest) and CB Darius Butler (concussion) did not participate in practice Friday, Dec. 30. CB Rashaan Melvin (knee) was a limited participant, while S Mike Adams (rest), LBs Chris Carter (shoulder), Robert Mathis (rest) and CB Vontae Davis (rest) practiced in full. Butler has already been ruled out for the team’s Week 17 finale Sunday, Jan. 1, with Carter and Melvin each being considered questionable to suit up.