As expected, losing both assistant coaches was a huge blow to head coach Dan Campbell and the Detroit Lions in 2025. Unfortunately, the Lions' potential bid to reunite with their former head coach is facing a new obstacle from the NFC. 49ers Could Throw Wrench Into Potential Jim Schwartz-Lions ReunionAccording to NFL Network insider Tom Pelissero, multiple teams, including the San Francisco 49ers, will make a run at the former Lions head coach if he becomes available. On the other hand, they could get an immediate upgrade with a top-notch defensive coordinator who's also familiar with the organization. The conference is pretty stacked as it is, and most teams caught a break when defensive coordinator Robert Saleh left the 49ers.