The Buffalo Bills won a championship title faster than any team in 15 years despite enduring a series of injuries. They can discover how good they are when they have enough power. Buffalo won its fifth straight AFC East title with five games remaining. The team is on a seven-game winning streak. The Bills defeated the defending champion Kansas City Chiefs while playing without their starters at linebacker, tight end, right guard and defensive end. Nearly everyone can return this week when Buffalo (10-2) plays the Los Angeles Rams (6-6) at 4:20 p.m. Sunday. The Bills are looking to win the entire season against the NFC West, with a 3-0 record with wins over the Arizona Cardinals , Seattle Seahawks and San Francisco 49ers .