SANTA CLARA — Linebacker Curtis Robinson’s season is over after he sustained a non-contact injury at the start of 49ers practice Thursday.
Robinson suffered a season-ending torn ACL, 49ers coach Kyle Shanahan confirmed Friday.
Robinson, 26, was one of the 49ers’ core special-teams players and might have worked his way into a more significant role with the team’s struggles on defense. In the first three games, he was on the field for 59 plays on special teams — or 78 percent of the 49ers’ plays in the kicking game.
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Robinson originally joined the 49ers’ practice squad in December 2021. He split time between San Francisco's practice squad and active roster the next two seasons, appearing in six regular-season games.
He earned a spot on the 49ers’ 53-man roster this summer with an impressive training camp.
Robinson entered the NFL in 2021 as an undrafted rookie from Stanford, where he was twice an All-Pac-12 honorable mention selection.
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