What We Learned From Week 15 of the N.F.L. Season

Favored teams did well on Sunday, with the Kansas City Chiefs beating the New Orleans Saints, the A.F.C. South heavyweights both winning and the Tampa Bay Buccaneers starting slowly before racing back for a surprising road win over Atlanta. But the previously winless Jets pulled off the upset of the season by beating the heavily favored Los Angeles Rams.

Here’s what we learned:

• The Buccaneers can dig out of a hole. Tampa Bay has had a problem with slow starts all season, being outscored by 32 points in first quarters. That sluggishness was taken to an extreme on Sunday when the Buccaneers went into halftime trailing Atlanta, 17-0, having gained just 60 total yards. Tampa Bay proceeded to have its players wake up on both sides of the ball, producing 356 second-half yards and walking away with a 31-27 win on the road thanks to Tom Brady’s go-ahead, 46-yard touchdown pass to Antonio Brown in the fourth quarter. Atlanta had two more chances to regain the lead, but Tampa Bay’s defense locked in, forcing a punt and a turnover on downs.

• The Jets can’t even tank right. With a touchdown pass by Sam Darnold, a rushing touchdown by the ageless Frank Gore — the 100th touchdown of Gore’s career — and three field goals from Sam Ficken, the Jets delivered the biggest upset of the season, beating the Los Angeles Rams, 23-20, after coming in as 17-point underdogs. Avoiding a winless season is surely a relief for the Jets’ players, but the victory, combined with Jacksonville’s 13th straight loss, has the Jaguars in line for the No. 1 pick in the 2021 draft with two games remaining for both teams.

One* Sentence About Sunday’s Games

*Except when it takes more.

Chiefs 32, Saints 29 Neither Patrick Mahomes nor Drew Brees looked their best in this one, but Mahomes’s three touchdown passes and a Le’Veon Bell rushing touchdown put Kansas City up by enough that New Orleans’ late comeback attempt proved fruitless.

Colts 27, Texans 20 Indianapolis led, 14-0, in the first quarter before this became a close game. Houston put up a strong fight, but Philip Rivers’s 5-yard touchdown pass with 1 minute 47 seconds remaining proved to be enough, barely.

Titans 46, Lions 25 Tennessee was leading by only 24-18 after three quarters, but things got ridiculous from there, with Ryan Tannehill throwing two fourth-quarter touchdown passes in addition to scoring a 3-yard rushing touchdown — his second rushing touchdown of the game. The Titans lead Indianapolis in the A.F.C. South thanks to their superior record in division games.

Jets 23, Rams 20 It has been a horrible season for the Jets, but on this day they took care of business on offense, produced a takeaway on defense, and then held on for dear life in a game that seemed like it could slip away at any second.

Buccaneers 31, Falcons 27 The stakes were not close to what they were in Tom Brady’s last huge comeback win over Atlanta — the Falcons’ collapse after leading Brady’s Patriots by 28-3 in the Super Bowl of the 2016 season is hard to top — but you’d have to imagine the Falcons, who led Tampa Bay on Sunday by 17-0 and 24-7 before losing, are looking forward to Brady retiring someday.

Ravens 40, Jaguars 14 It is presumably OK to stop worrying about Baltimore’s offense after it led the team to a third consecutive win, with Lamar Jackson throwing three touchdown passes and running in another during a game that was decided by halftime.

Dolphins 22, Patriots 12 Led by running backs Salvon Ahmed and Matt Breida, Miami rumbled for 250 yards rushing and three rushing touchdowns. The Dolphins are in line for the A.F.C.’s final wild-card spot — thanks to a tiebreaker over Baltimore — and have clinched a winning season for just the second time since 2008.

Seahawks 20, Footballers 15 Washington came surprisingly close to rallying from a 20-3 deficit, but the Seahawks’ much-maligned defense forced a turnover on downs in the final minute that gave Seattle a win and clinched a playoff spot.

Bears 33, Vikings 27 Minnesota was playing at home, got 132 yards rushing from Dalvin Cook and 104 yards receiving from Justin Jefferson, and still lost. Credit Chicago all you want, but the Vikings’ defense needs a lot of work.

Cardinals 33, Eagles 26 Jalen Hurts and Kyler Murray were back-to-back Heisman Trophy finalists at Oklahoma — Murray won the award in 2018 — and they showed off how well their skills translate to the N.F.L. on Sunday. Philadelphia’s Hurts threw for 338 yards, Arizona’s Murray threw for 406, both of them threw three touchdown passes and both of them also ran in a score. But Murray’s Cardinals came out on top thanks to a late defensive stand.

Cowboys 41, 49ers 33 Running back Ezekiel Elliott missed a game because of injury for the first time in his career, and he watched his backup, Tony Pollard, put up a strong performance: 132 yards from scrimmage and two touchdowns. Elliott hasn’t had 130 yards from scrimmage in a game since Week 15 of last season.