Rams Wide Receiver Cooper Kupp Placed on Injured Reserve, Out at Least 4 Games with Lingering Hamstring Injury

Kupp initially suffered hamstring injury in training camp, had a setback that worsened injury.
Kupp traveled to specialist in Minnesota to determine cause as injury did not follow normal protocol.
Rams trying to determine if soft tissue or nerve issue; placed Kupp on IR, will miss at least 4 games.
With Kupp out, Rams turn to Van Jefferson as lead receiver, along with Tutu Atwell and Tyler Higbee.
Kupp had dominant 2021 season but plagued by injuries in 2022, including high ankle sprain.