Shanahan weighed in on #49ers QB Brock Purdy’s availability for #AZvsSF: “Yeah, a lot of progress. I thought he had a good week. Hopefully we can get him up for the game… Just see how he does tomorrow. Just talking to him, I think it’s highly unlikely that he’ll start, but just trying to see where he’s at to see if he could be a two or an emergency three (quarterback).”