49ers Fear Torn ACL For WR Brandon Aiyuk

It took a while for 49ers wide receiver Brandon Aiyuk to find his sea legs in the 2024 NFL season, and just as it appears that he found his groove, Aiyuk’s season may be coming to an end. Aiyuk left today’s loss to the Chiefs shortly before the end of the first half and was unable to return. ESPN’s Lindsey Thiry was the first to relay head coach Kyle Shanahan‘s concern that Aiyuk’s injury was a torn ACL.

Aiyuk’s name was a common one in NFL news circles this offseason as he held out for a new contract in San Francisco, at one point even requesting a trade. The 49ers eventually got him signed to an extended contract at the end of August, but missing the ramp up into the regular season seemingly proved significant on the veteran receiver’s production early this year.

In the first four weeks of the season, Aiyuk failed to eclipse five receptions or 48 receiving yards, despite being targeted 10 times in Week 3, and had not caught a touchdown. The 26-year-old had a breakout performance in a Week 5 loss to the Cardinals, catching 8 passes for 147 yards, and though he still didn’t have a touchdown, it appeared that Aiyuk was on his way back to his usual self. Last week saw a bit of regression, but hopes were still high that Aiyuk was on the come up.

Today’s game was looking like another lackluster performance in the making. On six targets, Aiyuk only had two catches for 23 yards. On his second catch of the day, Aiyuk was led over the middle by quarterback Brock Purdy, where defensive back Chamarri Conner met him with a low tackle right at the knees. Aiyuk was carted off the field with what immediately looked like a serious knee injury. Shanahan’s fears echoed what many assumed from watching the play.

Aiyuk’s absence exacerbated an already bad situation in the receiving corps. The 49ers knew heading into today that Jauan Jennings was out with a hip injury and Deebo Samuel exited the game after only a few plays with an illness. Samuel reportedly woke up feeling ill and attempted to play through his sickness but very quickly determined that he would be unable to contribute. This left San Francisco without their top three receiving options for the rest of the day.

Luckily, the team saw the NFL debut of first-round Florida receiver Ricky Pearsall, who was activated off the NFI list on Friday. Purdy was throwing to Pearsall, fourth-round rookie Jacob Cowing, Ronnie Bell, and Chris Conley. The four were targeted for a combined 12 of Purdy’s 31 pass attempts, reeling in a combined six balls for 81 yards. Even with Samuel expected back after recovering from illness, if Aiyuk is out for an extended period, the four who played today are going to need to take some big steps up to support the offense.

For Aiyuk, that holdout seems perfectly justified now. If Aiyuk hadn’t fought for the contract like he had, he would still be on a contract year and headed towards free agency after suffering a serious, potentially season-ending knee injury. Tomorrow’s tests will determine just how long Aiyuk may be out. If it is indeed a torn ACL, his four-year, $120MM contract with $76MM guaranteed may provide a bit of solace in an otherwise devastating situation.

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