Like McCaffrey and Purdy, Pearsall will make 49ers’ debut against Chiefs

SANTA CLARA — Like Christian McCaffery and Brock Purdy before him, Ricky Pearsall Jr. will play his first game with the 49ers Sunday against the Kansas City Chiefs.

Exactly how much Pearsall plays and his role will be determined by coach Kyle Shanahan, who saw what he needed to see after just three days of practice to determine the rookie first-round draft pick was ready to face the two-time defending Super Bowl champions at Levi’s Stadium.

Pearsall was officially elevated from the...