Through the first nine games of the season, CeeDee Lamb had notched 47 catches for 726 yards and six touchdowns. Matthew Emmons-USA TODAY Sports

Cowboys wide receiver CeeDee Lamb has been ruled out for the rest of Sunday’s game vs. the Chiefs with a concussion (Twitter link via Adam Schefter of ESPN.com). Lamb will undergo additional testing throughout the week, but it’s unlikely that he’ll be cleared in time for the Cowboys' Thanksgiving game against the Raiders. 

Lamb, 22, was coming off of a strong performance against the Falcons, catching six passes for 94 yards and two scores in the 43-3 rout. Coincidentally, while celebrating his second touchdown, he clanked his helmet against Dak Prescott‘s helmetless-head.

I realized it as soon as I did it,” said Lamb (via WFAA). “My helmet is still on. You know, man, let me take this off and apologize. I’m glad he’s all right: no concussion protocol, no nothing. I’m sorry, fans. Don’t kill me.”

Fortunately for the Cowboys, Prescott was OK, but Lamb’s status is TBD after the first-half scare. The wide receiver hit the ground head-first when he driven to the ground by Chiefs cornerback Charvarius Ward. After Lamb was initially listed as questionable, the Cowboys ruled him out for the rest of the game.

The Cowboys are also without Amari Cooper following his COVID-19 positive, so they’ll head into Thursday without two of their best offensive weapons. As it stands, the Cowboys are left with Michael Gallup, Cedrick Wilson, Malik Turner and Noah Brown at WR.

Through the first nine games of the season, Lamb had notched 47 catches for 726 yards and six touchdowns.

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