Entering Week 17, McCoy had 1,128 rushing yards and six rushing touchdowns along with 57 catches for 426 yards and two scores.
Also disqualified were running back Kenyan Drake and offensive lineman Jake Brendel.
Golf great Jack Nicklaus watched his grandson score a touchdown as the Buffalo Bills snapped the longest current non-playoff drought in North American pro sports. Unsportsmanlike conduct penalties were called against both teams. Landry was cited for disrespecting an official, and Drake for throwing his helmet 20 yards in anger.More news: Huawei Mate 10 may launch on AT&T in February
For the Dolphins, the season finale had the feel of an exhibition game.
Miami lost to Buffalo for the seventh time in their past 10 meetings.
Is there any team that can't wait for the calendar to flip from 2017 more than the Miami Dolphins? Miami made it interesting recovering an onsides kick with under two minutes to play, but Jordan Poyer ended the threat with his fifth interception of the season to seal the win.
Subplots:-After the Bills went up 7-0, the Dolphins chose to pull Jay Cutler at quarterback and insert third-year player David Fales to get an evaluation on him for the future. McCoy had 11 carriers for 10 yards Sunday.