Which free agents could the 49ers be in on when the new league year begins next week? Trent Williams is the key to San Francisco's offseason. The 49ers had reps at North Dakota State QB prospect Trey Lance's pro day workout, but Kyle Shanahan and John Lynch were not among them. Peter King says the 49ers could trade for Jets QB Sam Darnold, while Ian Rapoport shoots that idea down. The Patriots kicked the tired on Jimmy Garoppolo before signing Cam Newton. Learn more about your ad choices. Visit podcastchoices.com/adchoices