Getty Brock Purdy of the San Francisco 49ers. It’s going to be quite the offseason for Brock Purdy . He and the San Francisco 49ers are currently engaged in negotiations for a contract extension and the young quarterback, who has one year left on his rookie contract, is looking to cash in. General manager John Lynch has initiated discussions with Purdy’s reps, but the Niners GM has also noted that while both parties are motivated to get a deal done, there’s no guarantee of an immediate