49ers vs. Broncos injury report: Mykel Williams returns to practice while 5 starters sit out

49ers Webzone - The San Francisco 49ers are preparing for their Week 4 contest against the Denver Broncos on Sunday at Levi's Stadium in Santa Clara, California. All eyes are on Mike Evans this week after the wide receiver suffered a rib injury in the 49ers' Week 3 win over the Arizona Cardinals...