The Kansas City Chiefs and Buffalo Bills have both clinched their spots in the postseason, but the race to earn the coveted No. 1 seed in the AFC — and the home-field advantage that comes with it — is still playing out.

Add all that up and the Chiefs can win a ninth straight AFC West championship by beating the Chargers at GEHA Field at Arrowhead Stadium. The longest streak of consecutive divisions titles is held by the Patriots, who won 11 straight from 2009-’19.

The Chiefs and Bills have solidified their place in the AFC playoff picture after their Week 13 matchups, with Steelers right behind them.

The Bills (10-2) ended up winning in a rout in a 35-10 final over the 49ers (5-7). That was just the start of it. On a snowy-filled evening in Orchard Park, Buffalo walked away with their fifth-straight AFC East title thanks to the victory.

On a snowy night in Orchard Park, N.Y., the Buffalo Bills clinched the AFC East title with a dominant win over the San Francisco 49ers.