Rams star Cooper Kupp suffers setback with hamstring injury - Los Angeles Times
Cooper Kupp - Larry Brown Sports
Rams WR Cooper Kupp (Hamstring Injury) Gets Second Opnion
Cooper Kupp suffers setback to hamstring injury, considered day-to-day
NFL makes progress on leg injury prediction, prevention
Minnesota Vikings WR Justin Jefferson has Hamstring Injury
Cooper Kupp Unlikely to Play in Rams Season Opener