49ers rookie defensive end Mykel Williams will miss the rest of the season after tearing his ACL in Sunday’s 34-24 win over the Giants.

Head coach Kyle Shanahan confirmed the diagnosis at a Monday press conference. Shanahan said Williams also suffered a lateral meniscus tear and that he’s looking forward to the first-round pick making a full recovery.

“I’m just really disappointed that he’s not able to really continue developing through this year because I believe we got a hell of a player, who’s going to really figure this out in the run game and the pass game,” Shanahan said, via 49ersWebzone.com. “And he still will, but I hurt for him that he isn’t going to do that over the next half of this year.”

Shanahan said they expect to get defensive end Bryce Huff back from a hamstring in

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