SANTA CLARA — A 4-0 start isn’t enough to alleviate some 49ers’ fans concerns, so let’s try doing that in this week’s mailbag via questions through my Instagram and Twitter outreach program.
If Juice is a no-go for Sunday, what changes does Kyle make in the run game? (@geoffcast)
Fullback Kyle Juszczyk, arguably the MVP of the NFL’s No. 1 rushing attack, indeed is out for at least Sunday’s game at the Los Angeles Rams. He has a sprained medial collateral ligament in his left knee, requiring four to six weeks of rest and rehabilitation.