Marquez Valdes-Scantling weighing a return to SF or a new stint with Pittsburgh after Seattle cut him, as San Francisco navigates Week 1 with five WR slots but only two healthy. Jennings calf, Watkins high ankle, Cowing hamstring, leaving Pearsall and Moore as health options. Valdes-Scantling, a two-time SB winner with 3,566 receiving yards and 20 TDs in 106 games, could give SF a veteran boost with big-play upside, impacting fantasy directions in 49ers Week 1 and beyond.