On Football analyzes the biggest topics in the NFL from week to week. For more Lance McCullers Jersey On Football analysis, head .___Turnarounds happen quickly in the NFL.Josh Allen and the Buffalo Bills have quieted talk about coach Sean McDermotts job security with a pair of wins.ADVERTISEMENT The Dallas Cowboys suddenly look like pretenders because they cant win .Joe Flacco has gone from his couch to becoming a in le s than a month.Patrick Mahomes and the Chiefs just needed a trip to New England to get back on the winning track.Tommy DeVito was the toast of New York and New Jersey until the Saints whipped the Giants and mocked his celebrations.The Eagles are shaking things up like a desperate team searching for answers instead of a division leader battling for the No. 1 seed.The up-and-down Jaguars still sit in first place despite three straight lo ses.At least Brock Purdy, Christian McCaffrey and the San Francisco .The game of Week 15 turned into a dud when Buffalo dominated Dallas and exposed the Cowboys in a 31-10 victory Sunday.In the proce s, Dak Prescotts MVP bid took a hit.Allen helped the Bills (8-6) save Nolan Ryan Jersey their season in a win at Kansas City last week and watched James Cook carry the offense by leading a stellar rushing attack against the Cowboys.Allen completed only seven pa ses against Dallas because Micah Parsons and the rest of the defense couldnt stop Cook, who ran for 179 yards.We werent physical enough, Cowboys cornerback Stephon Gilmore said. They were more physical than we were.Now, nobody is talking about firing McDermott. Buffalo still has a shot to win the AFC East. The Bills need to gain one game on the Dolphins (10-4) to make their showdown in Miami in Week 18 for first place. The Cowboys (10-4) visit the Dolphins next week while the Bills visit the Chargers (5-9).The NFL is a one-week-at-a-time league, McDermott said. Were on a short week. Weve got a couple guys banged-up. We have to go out West so thatll be a challenge in itself.Flacco knows all about the fickle nature of life in the NFL.The former Super Bowl MVP was unemployed before the Browns signed him to the practice squad on Nov. 20. Brian McCann Jersey He stepped into the starting lineup three weeks ago and has led Cleveland to consecutive wins with 300-yard pa sing performances in both games.Flacco overcame three picks and rallied the Browns to a 20-17 victory over Chicago. Cleveland (9-5) leads the AFC wild-card race despite starting four quarterbacks this season.Obviously, Joe made some unbelievable throws there when we needed them, Browns coach Kevin Stefanski said. Just cant say enough good things about how he played in that fourth quarter.The Chiefs avoided the first three-game losing streak in the Mahomes era with a 27-17 win over the haple s Patriots.Mahomes threw for 305 yards and two TDs and also had two interceptions, including one on a ball that bounced out of Kadarius Toneys hands. Mahomes, who threw a tantrum on the sideline last week after Toneys offside penalty negated a go-ahead score in a lo s to Buffalo, was fuming after the play.But Toneys mistake didnt cost the Chiefs this time around.Losing three straight in this league really puts you in a tough spot and I thought the guys did a good job, Mahomes said. Thats a really good defense. Offensively, we scored points early. On defense, shut the door, kind of like theyve been doing these last few weeks, but we have to continue to get better and better.The Giants had won three in Brad Peacock Jersey a row behind DeVito before running into New Orleans. DeVito was sacked seven times in a 24-6 lo s and the Saints mimicked his finger celebration after big plays.The lo s put New York (5-9) on the brink of playoff elimination.The Eagles clinched a playoff berth without taking the field but they made a big change. Coming off lopsided lo ses to San Francisco and Dallas, coach Nick Sirianni stripped defensive coordinator Sean Desai of playcalling duties and gave senior defensive a sistant Matt Patricia that role.With Jalen Hurts questionable because of an illne s, the Eagles (10-3) have to beat Seattle (6-7) on Monday night to keep pace with the 49ers in the race for the No. 1 seed.Purdy to sed four TD pa ses and McCaffrey had 187 scrimmage yards and three scores in a 45-29 rout over Arizona.The 49ers (11-3) have won five in a row after losing three straight. Theyve been the NFLs most complete team and have the inside track on the NFCs No. 1 seed.But with a showdown against the AFC-leading Baltimore Ravens (11-3) coming up Christmas night, that can change in a hurry._ Mike Scott Jersey __AP NFL: