The Dallas Cowboys (10-3), who just vaulted to the top of the NFC East standings, will play as a road underdog when they face the Buffalo Bills (7-6) late Sunday afternoon in Week 15 NFL action.Buffalo, currently in a Tyrunn Walker Jersey six-team logjam for the final two wild-card berths in the AFC, was listed as an early 1-point favorite when the betting line was posted Sunday evening with an over/under number of 48.5.The early Cowboys vs. Bills odds had Buffalo as a 1.5-point favorite on Sunday evening.Currently, Buffalo is favored by , the total is , and Dallas can be had for on the moneyline.Report from Las Vegas: Against the spread this season, the Cowboys have the best record at 9-4. The Bills, meanwhile, are 5-8 against the line and on course to have their first losing season for their backers since 2017, the year before QB Josh Allen arrived.On the O/U chart, Dallas games have gone "OVER" in eight of 13 outings. Buffalo has been involved in four OVERs.Here's the latestfor Cowboys vs. Bills:The weather could -- and likely will -- affect play. According to the NFLweather.com forecast at midday Friday, there was an 83 percent chance of rain and winds averaging 16 mph.But at least the temperature is expected to Sean Mannion Jersey be only in the mid-40s.The weather was also wet the last time these teams met in Buffalo, in Week 16 of the 2015 season, when the Bills won in the rain and snow, 16-6.In their previous visit to Upstate New York in 2007, the Cowboys overcame an 11-point fourth-quarter deficit to win 25-24 despite a minus-5 turnover margin.This season, the Cowboys are the league's highest-scoring team (32.4 points per game), and the Bills fifth (26.8). But both squads have the same number of offensive TDs, with 40.Dallas, though, has a league-best seven defensive/special teams TDs. Buffalo has one.Here is the current injury report for the Cowboys vs. Bills:The Cowboys' biggest concern is the illne s of WR Brandin Cooks, which kept him out of midweek drills.Buffalo will be keeping close tabs on the neck i sue of veteran safety Micah Hyde, who was held out of practice Thursday.This is the third time the Cowboys have been listed as an underdog this season. They were routed at San Francisco 42-10 as a 3.5-point dog in Week 5 and four weeks later fell 28-23 at Philly, which was a 3-point choice.Dallas has since gone on a five-game winning streak, including last week's 33-13 home victory over Philadelphia, which helped the Cowboys take over the top spot in the division over the Eagles via tiebreaker.In particular, Dallas has benefited from not allowing any of their previous four foes to start a drive inside the 50.After losing five of eight games before their Week 13 bye, the Bills rebounded after their week of rest to win at Kansas City 20-17 last week as a 2-point dog.Speaking of playing Los Angeles Rams Jersey the Chiefs, teams haven't had any hangover in their next game after taking on the defending NFL champions.Dating to Week 5, squads that faced KC have won their next game eight straight times (7-1 ATS), including Las Vegas' 63-21 victory over the LA Chargers on Thursday night.Also, Buffalo is a tough foe at home, going 25-6 the past four seasons, including 5-1 in 2023.Let's look at some pa sing prop bets for the Cowboys vs. Bills atnationwide.Cowboys vs. Billsanytime TD scorer ()Tony Pollard: +100CeeDee Lamb: Marcus Peters Jersey +105Stefon Diggs: +115Josh Allen: +130James Cook: +170Brandin Cooks: +230Bills D/ST: +425Cowboys D/ST: +475Dak Prescott: +550Cowboys vs. Billsreceiving props ()Stefon Diggsreceiving yards: 66.5Gabe Davis receiving yards: 33.5Brandin Cooks receiving yards: 38.5CeeDee Lamb receiving yards: 83.5Cowboys vs. Bills rushing props ()James Cook rushing yards: 50.5Tony Pollard rushingyards: 52.5Dallas QB Dak Prescott has been heaped with praise in recent weeks. He's thrown for nine scores and no INTs in the team's past three victories.In that span, Dak has faced three teams (Washington, Seattle, Philly) ranked in the bottom seven of defensive pa ser rating. Buffalo's unit stands 12th. And with the rain and stiff wind, things probably won't be so rosy for him this week.The running game should play a key role, and Buffalo warrants an edge with RB James Cook (4.8 a carry) over Dallas' Tony Pollard (4.1), with both having roughly 60 yards a game.Allen has a big edge over Prescott, largely thanks to his ability to extend drives. He's had 35 first-down runs to Prescott's 18.Plus, last season, Allen fumbled 13 times. He's cut that down to four this season -- and only two since the season opener.There have been 11 games this season with an O/U total of 50-plus. "UNDER" bettors have collected nine times.Prediction:Bills and UNDER .Date:Sunday, Dec. 17Kickoff:4:25 p.m. ETLocation:Highmark Stadium -- Taylor Rapp Jersey Orchard Park, NYWhere to Watch:Fox If you purchase a product or register for an account through one of the links on our site, we may receive compensation. Sporting News has editorial oversight for this content.