From the video

Video: He May Have Surgery
from Adam Shfter himself that if Puka does not start progressing, which the latest update we had from McVey is he's not getting better... Puka is going to have surgery and probably miss one to two months

STACKED’s take

Negative signalInjury

May need surgery, miss 1-2 months; can't trade before news spreads

Nacua is not progressing in recovery per head coach McVay; Adam Schefter reported that if progression does not continue, Puka will require surgery and miss one to two months, creating significant uncertainty for his fantasy value. The source advises against attempting to trade Puka before league mates see the news, noting Schefter's tweet already had 650,000 views within an hour and will be widely known by the time league mates wake up, making it unlikely you can trick someone into an unfavorable trade.

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