KEYS TO THE GAME

Dolphins’ QB play: With Skylar Thompson, the seventh-round pick from Kansas State likely to start, the key is keeping the Dolphins in the game until the fourth quarter. But Thompson might be looked upon to do that without left tackle Terron Armstead (toe/hip/pectoral/knee), right tackle Brandon Shell (knee/ankle) and left guard Liam Eichenberg (hand). Last Sunday Thompson

(60 of 105, 534 yards, one touchdown, three interceptions, 62.2 passer rating this season) did exactly what he needed to do — he didn’t make a costly mistake and kept the Dolphins in a competitive game into the fourth quarter and let others deliver the victory. If Thompson can stay away from turnovers and make the routine plays, he should give his team a chance to win.

Dolphins’ OL performance: There are a number of reasons to watch this group. They, of course, must protect the quarterback. They also must blast open holes for the running game, which could be without running back Raheem Mostert (thumb). And they must do that while three-fifths of the starting unit could be sidelined due to injury. The good thing for the Dolphins is Buffalo edge rusher Von Miller (8.0 sacks) has been sidelined for weeks and won’t play. But the Dolphins must watch Bills defensive end Greg Rousseau (8.0 sacks) and Pro Bowl linebacker Matt Milano.

The Dolphins need to play a ball-control, run-heavy game in Buffalo and the offensive line will be a huge key.

Stopping Allen: Quarterback Josh Allen can hurt the Dolphins with his passing and running, which is what happened in their last meeting, a 32-29 Bills victory in Buffalo. Allen rushed for 77 yards, 50 on a 75-yard fourth-quarter drive that tied the game at 29. Allen has passed for 704 yards in two meetings against the Dolphins. If Allen makes wide receiver Stefon Diggs a primary part of the offense, that presents trouble for the secondary and puts pressure on the pass rush. If Allen incorporates his run game as a primary part of the offense, the Dolphins must consider putting a spy on him and perhaps alter their philosophy to more of a read-and-react defense against the pass instead of an attacking one.

Offensive innovation: Dolphins coach Mike McDaniel must come up with something different than what he’s been doing recently because the passing game has been neutralized, for the most part. Opponents have dropped linebackers deeper into coverage, pressed wide receivers Tyreek Hill and Jaylen Waddle at the line of scrimmage, and generally taken away those throws to the middle of the field that fueled the Dolphins early in the season. McDaniel hasn’t had a response so far. Curiously, the Dolphins’ most successful offensive outing during this stretch has been at Buffalo, where they scored 29 points.

Team determination:

Mass injuries are often a normal part of the playoffs because of the long NFL season. The Dolphins must harden their will to win and find a way to pull off the upset. We haven’t seen that version of the Dolphins since September, when they defeated Baltimore and Buffalo in back-to-back games. Since then it’s been losses to playoff-caliber opponents and victories over non-playoff opponents. That trend must end.

Kickoff: 1 p.m., Sunday, Highmark Stadium

TV: CBS (Chs. 4 in Miami-Dade, Broward; 12 in Palm Beach); RADIO: Westwood One, WQAM (560 AM), KISS (99.9 FM), WQBA (1140 AM, Spanish)

Coaches: The Dolphins’ Mike McDaniel is 9-8 in his first season as a head coach; Sean McDermott is 65-39, including playoffs, in his sixth head coaching season leading the Bills and overall.

The Dolphins lead the all-time series with the Bills, 62-55-1, including playoffs. The two teams split the home-and-home regular-season series.

Weather: 26 degrees, 63 percent humidity, 4 mph winds, 2 percent chance of precipitation.

Line: The Dolphins are 13 -point underdogs; the over/ under is 43 .

Injuries: Dolphins — Out: QB Tua Tagovailoa (concussion), RB Raheem Mostert (thumb), Liam Eichenberg (hand); Doubtful: OL; Questionable: OT Terron Armstead (pectoral/toe/knee/hip), OT Brandon Shell (knee/ankle), QB Teddy Bridgewater (right finger/knee), OLB Bradley

Chubb (ankle/hand), FB Alec Ingold (thumb), OT Kendall Lamm (ankle), WR/PR Cedrick Wilson Jr. (hip); Reserve/ PUP list: CB Byron Jones (lower leg); Injured reserve: OT

Eric Fisher (calf), DT Justin Zimmer, RB Myles Gaskin (shoulder), OL Austin Jackson (ankle), DE Emmanuel Ogbah (triceps), S Brandon Jones (knee), CB Nik Needham (Achilles), DE Trey Flowers (foot), TE Cethan Carter (concussion), CB Trill Williams (knee), TE Adam Shaheen (knee), FB John Lovett; Bills — Questionable: WR Isaiah McKenzie (hamstring), DT Jordan Phillips (shoulder); Injured reserve: DE Von Miller (knee), S Micah Hyde (neck), S Damar Hamlin (heart) among six players on IR. Noteworthy: The Dolphins will make their first playoff appearance in six years, second in 14 years and third in 21 years. They last won a postseason game in the 2000 playoffs, a wild-card round overtime victory over the Indianapolis Colts. ... Miami again is set to start rookie third-string quarterback Skylar Thompson with Tua Tagovailoa still in concussion protocol and Teddy Bridgewater only expected to be available as a backup due to a dislocated pinky finger on his throwing hand.