Which Rookie is the Likeliest to Look Like a Steal for the 49ers?

There almost always ends up being one rookie that ends up looking like a steal for a team. Most recently it was Brock Purdy, so which one is the likeliest to end up being that for the 49ers?

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San Francisco ,California ,United States ,Fred Warner ,Malik Mustapha ,George Kittle ,Dre Greenlaw ,Isaac Guerendo ,Brock Purdy , ,Dominick Puni ,