Rapp (calf) is out for Sunday's game versus the Chiefs, Alaina Getzenberg of ESPN.com reports.
Rapp (calf) was listed as a non-participant in Wednesday's walk-through practice.
Rapp (calf) has been ruled out for Sunday's wild-card playoff game against the Steelers, Alec White of the Bills' official site reports.
Rapp (calf) did not participate at Buffalo's walkthrough practice Wednesday.
Rapp logged one tackle on seven defensive snaps in Sunday's Week 17 win over the Patriots.
Rapp (neck) logged a full practice Wednesday.
Coach Sean McDermott said Friday that Rapp (neck) is ruled out for Sunday's game against Philadelphia, Alaina Getzenberg of ESPN.com reports.
Rapp (neck) was considered a limited participant for Thursday's walkthrough practice, Alaina Getzenberg of ESPN.com reports.
Tests on Rapp's injured neck all came back negative Monday, Ian Rapoport of NFL Network reports.
Rapp (neck) was taken off the field in an ambulance and has been ruled out for the remainder of the game.