Chiefs at Bills (-2½, 45½): Buffalo finally gets Kansas City at home after losing playoff games in two of the past three seasons at Arrowhead Stadium. The Bills did win and cover three regular-season meetings at Kansas City during that time, including a 20-17 nail-biter Dec. 10. Buffalo was on a 2-5 ATS run at home before covering in Monday’s wild-card victory over Pittsburgh. Both teams are on under runs (Chiefs 10-3-1, Bills 9-5). Edge: Under.