NFL power rankings for Week 4: Pair of teams going in the most unexpected of directions

To quote the great Bill Parcells: You are what your record says you are.And so, the Raiders are an undefeated contender in the powerhouse AFC West, and the Texans are a winless pretender.Who would’ve thought that would be the case when the season started?Three weeks is enough to stop acting like the results are flukes and wonder how the Raiders stack up against more familiar unbeatens like the Bills, 49ers and Chiefs.
… and wonder how the Texans — and, to a lesser degree, the Buccaneers and Chargers — share a record with the Dolphins and Titans.There were a single-day record-tying 12 one-score games Sunday.Here are The Post’s NFL power rankings for Week 4:Buffalo overcame a 10-point deficit and a sloppy performance (five turnovers) to beat the Chargers 24-16 when Josh Allen and James Cook III scored fourth-quarter rushing touchdowns.C.J.
Gardner-Johnson’s fourth-quarter interception at the goal line and a late fourth-down stop highlighted a defense-driven victory.The Bills are 3-0 for the third straight year and fifth time in nine years with Allen.Brock Purdy threw four touchdown passes, including one on a hook-and-ladder with Mike Evans and Deebo Samuel Sr., to fuel a 36-30 victory against the Cardinals.
San Francisco led by as many as 17 but was ahead by just two before Purdy hit George Kittle for a 20-yard touchdown with 91 seconds to go.Evans and left tackle Trent Williams were banged up.Kenneth Walker III continued his fast start with his new team by scoring on the ground and through the air in a 24-10 victory against hapless Miami.
Patrick Mahomes threw for 246 yards and a second touchdown — to Travis Kelce — to put the game out of reach with 2:55 remaining.Rashee Rice had seven catches for 88 yards.A 30-point, second-half outburst, including a pair of two-point conversions and a defensive touchdown, after getting blanked in the first half led to a stirring 30-26 win against the Rams.
Talanoa Hufanga had two interceptions — a pick-six an...