While top draft pick Mykel Williams adapts to the 49ers, their offseason program has left a lot of other questions to be answered in this week’s mailbag.

Christian McCaffrey and Brandon Aiyuk are just two of the players working their way back from injury. Speaking of McCaffrey, he was one of the biggest losses of last season. He only played in four games before being ruled out for the year.

The San Francisco 49ers held another media-open practice on Thursday, and with it came not only eagerness to see Christian McCaffrey in action ... But also at least one brutal review that could send Niners fans into a panic.