After his time with Tampa Bay Buccaneers and Jacksonville Jaguars, Roy Miller was signed up by the Kansas City Chiefs in August 2017 with a 1-year deal that included guaranteed money. The Chiefs announced that they signed defensive tackle Roy Miller as a free agent. The Kansas City Chiefs boosted their defensive line depth by agreeing to terms with Roy Miller. Roy Miller had a total of 6 tackles and appeared in 7 total games for the Chiefs after signing earlier this summer. Finally, Roy Miller retired from NFL with an emotional farewell to his fans and supporters. Roy Miller ended his NFL career with 252 total tackles, 8 sacks, 1 forced fumble and 5 pass deflections.