SEATTLE — In one of the biggest — if not the biggest — trades in Seattle sports history, the Seahawks have reportedly agreed to deal quarterback Russell Wilson to Denver for a mammoth haul of five draft picks and three players that includes two first-round picks and quarterback Drew Lock. The NFL Network reported that the deal has been in the works for several weeks and came to fruition Tuesday after Denver learned it would not be able to get Aaron Rodgers, who agreed to a four-year deal worth $200 million to stay with Green Bay. That contact was also likely to serve as a starting point for an…