49ers legend Joe Montana says Brock Purdy should be starter if healthy, casts doubt on Trey Lance's readiness | CBS Sports Headlines 49ers legend Joe Montana says Brock Purdy should be starter if healthy, casts doubt on Trey Lance's readiness The QB once regarded by many to be the NFL’s … Continue reading 49ers legend Joe Montana says Brock Purdy should be starter if healthy, casts doubt on Trey Lance's readiness