ARLINGTON, Texas - Philip Rivers threw for 434 yards and three touchdowns in his first Thanksgiving game in the NFL and the Los Angeles Chargers beat the fading Dallas Cowboys 28-6 on Thursday.

Desmond King returned an interception 90 yards for the punctuating touchdown and the Chargers (5-6) moved within 1 1/2 games of AFC West-leading Kansas City after starting 0-4.

The defending NFC East champion Cowboys (5-6) lost their third straight by at least 20 points, all without star running back Ezekiel Elliott, in a damaging defeat for their fading playoff hopes.

Dallas, playing its 50th Thanksgiving game, finally ended a touchdown drought at a team-record 10 quarters on Rod Smith's 2-yard run early in the fourth quarter.

Keenan Allen had a career-high 172 yards on 11 catches with a touchdown, giving him 23 grabs for 331 yards and three scores in the past two games.

REDSKINS 20, GIANTS 10

LANDOVER, Md. - Kirk Cousins threw two touchdown passes to compensate for a pick-6, and Washington beat New York on a drab field in a drab game between two injury-depleted teams that did not look ready for prime time.

The first half, in particular, was devoid of highlights: The NFC East rivals combined for nine punts and only six points. But Cousins led Washington (5-6) on two TD drives in the second half, connecting with Jamison Crowder on a 15-yarder in the third quarter that broke a 3-all tie, and with Josh Doctson on a 14-yarder with 3 1/2 minutes remaining in the game.

In between, cornerback Janoris Jenkins intercepted Cousins' pass and returned the ball 53 yards to make it 10-all.

In the second half, the Giants (2-9) had one possession end with an interception by Eli Manning, four end with punts and another when they turned the ball over on downs.

VIKINGS 30, LIONS 23

DETROIT - Case Keenum threw two touchdown passes and ran for a score - all in the first half - to give Minnesota a double-digit lead against Detroit.

The Vikings (9-2) took a huge step toward winning the NFC North, taking a three-game lead over the second-place Lions. Detroit (6-5) made mistakes in every phase of the game and Minnesota took advantage.

Keenum was 21 of 30 for 282 yards with both TD passes to Kyle Rudolph that gave the Vikings a 20-3 lead late in the second quarter.

The Lions rallied to pull within four points early in the fourth quarter on Matthew Stafford's second TD pass to Marvin Jones. Xavier Rhodes ended Detroit's comeback hopes with an interception at the Detroit 37 late in the game.