Cooper Kupp's Week 1 status in doubt after 'setback' with hamstring injury

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The Los Angeles Rams sorely missed their star receiver last year, going 5-12 despite winning the Super Bowl the previous season.

All eyes were on the 2023 season once Cooper Kupp was done for the year.

And this season may start without him.

Rams head coach Sean McVay told reporters Thursday Kupp suffered a setback with a hamstring injury and is considered "day to day." The Rams kick off their season Sept. 10.

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Cooper Kupp of the Los Angeles Rams warms up before a game against the San Francisco 49ers at SoFi Stadium Oct. 30, 2022, in Inglewood, Calif. (Harry How/Getty Images)

Kupp injured his hamstring Aug. 1 but returned to practice on a limited basis a couple of weeks later. Last week, Kupp said he was on track to play, but the latest news puts that in doubt.

The 30-year-old had sky-high expectations after a 2021 season that included a Triple Crown of being named Offensive Player of the Year, winning a Super Bowl ring and being named Super Bowl MVP. Kupp inked a three-year, $80 million extension in June 2022, but a high ankle sprain in Week 10 kept him out the remainder of the season. 

Cooper Kupp (10) of the Los Angeles Rams walks through the tunnel prior to a game against the Tampa Bay Buccaneers at Raymond James Stadium Nov. 6, 2022, in Tampa, Fla.  (Kevin Sabitus/Getty Images)

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When he was on the field, he remained dominant. In just nine games last season, he caught 75 passes for 812 yards and six touchdowns. Through his first eight games, he was on pace for 153 catches, 1,728 yards and 15 touchdowns.

In his Triple