Torn ACL.
Thad had joined the Forty-Niners this year and had a reasonably good chance of being the team's third string QB. On Sunday, his stats were the best of any of the Forty-Niner QBs who played. He was 12 of 21 for 97 yards. He led the team with 38 snaps. He was hurt on a third-down scramble for about a yard.
Looks like he's out for the season. This is really tough luck as Thad looked to be coming into his own as a pro QB.
Why are you wasting time here when you could be wasting it by listening to the latest episode of the DBR Podcast?
Sad news. Wishing him a full recovery and another shot at the game.