From the video

If Mani suits up, he's definitely going to be a shaky flex. He's missed a lot of time with the hyperextension in his knee.
Mentioned at 13:43 – 13:50Captured by STACKED 6 hr after posting
STACKED’s take
NeutralInjury
Shaky flex option due to knee injury uncertainty
Khalil Herbert has missed significant time due to a knee hyperextension, making his Week 1 status uncertain; if he suits up, he is considered a shaky flex option.
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