From the video

Video: Ranking Every Week 2 Running Back as a Sit or Start
possibly Alvin Kamar... I would say he's, you know, 50/50 to suit up in week two... I'm not going to start Alan Kamar if he plays.
Mentioned at 4:31 – 5:56Captured by STACKED 6 hr after posting

STACKED’s take

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Alvin Kamara is 50/50 to play in Week 2

Alvin Kamara is considered 50/50 to suit up for Week 2. The source notes that if he returns, it is unclear if he will reclaim a primary role or if the backfield will become a three-headed committee.

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