When the Sharks need to pay Macklin Celebrini, Will Smith, Igor Chernyshov, Michael Misa, Sam Dickinson, and whichever other prospects prove themselves valuable at the NHL level, their cap space will quickly run out, even with the rising cap. Having Nurse for one or two seasons likely wouldn’t create any issues, however having him for four more seasons could create a headache for management, especially since he has trade protection.