George Kittle, the tight end for the San Francisco 49ers, sustained a rib injury during the game against the New England Patriots. Prior to the injury announcement, he had recorded three receptions for 38 yards and one touchdown. Kittle had previously missed a game due to a hamstring injury but was expected to play in Week 4. The 49ers may need to rely on their backup tight ends if Kittle's injury proves serious.

• George Kittle's health is a concern after suffering a rib injury.
• Kittle had a productive game before the injury, catching a touchdown.
• The 49ers may need to adjust their tight end strategy if Kittle cannot play.