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Detroit Lions wide receiver Allen Robinson, left and wide receiver Amon-Ra St. Brown (14) celebrate a touchdown by Amon-Ra St. Brown, right, with fans against the Jacksonville Jaguars in the second half of an NFL football game in Detroit, on Nov. 17.Rick Osentoski/The Associated Press

Jared Goff threw two of his four touchdown passes to Amon-Ra St. Brown, David Montgomery and Jahmyr Gibbs combined for three rushing touchdowns, and the Detroit Lions routed the Jacksonville Jaguars 52-6 on Sunday.

The NFC-leading Lions (9-1) have won eight straight.

Detroit’s winning margin of 46 points was the largest in franchise history, and it handed Jacksonville its biggest-ever defeat. The Lions also set a franchise record in total yards with 644.

The Jaguars (2-9) have lost four consecutive games for the second time this season and 14 of 17 since last year, a series of slumps that may cost coach Doug Pederson his job.

Jacksonville rookie Cam Little made a career-best 59-yard field goal on the game-opening drive and closed the first half with another field goal.

In between those kicks, the Lions scored four touchdowns to take a 28-3 lead, and they didn’t take it easy on the Jags after halftime.

Montgomery started the scoring barrage with a two-yard run and Gibbs followed with a one-yard run in the second quarter. Montgomery had a six-yard run for his second score and Goff threw a 27-yard pass to St. Brown in the second quarter, extending the receiver’s franchise record with a touchdown catch to eight straight games.

The Lions didn’t take their foot off the gas in the Motor City, going ahead 49-6 early in the fourth quarter after Goff threw a 64-yard touchdown pass to Jameson Williams, a five-yarder to Brock Wright and a nine-yard strike to St. Brown on the right side of the end zone.

Goff finished 24 of 29 for 412 yards and four touchdowns. He had a perfect passer rating, a week after his career-high five interceptions didn’t stop Detroit from rallying from a 16-point deficit to beat AFC South-leading Houston.

St. Brown (161) and Williams (124) had single-game highs for yards receiving. Montgomery and Gibbs combined for 218 yards of offence.

Hendon Hooker gave Goff a break midway through the fourth and set up Jake Bates’s 54-yard field goal. Detroit ran out the clock in the final minutes, mercifully choosing not to score again.

Detroit’s defence got a boost from newly acquired end Za’Darius Smith, who had a sack in his debut with the franchise.

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