For those looking to see the game live, 506 Sports has the networks airing the game live on Saturday below. Here's the link in case there may be updates:
[urltargetblank]https://506sports.com/nfl.php?yr=2021&wk=p1[/urltargetblank]
Seattle @ Las Vegas
9:00 PM ET
Curt Menefee, Dave Wyman
KCPQ (FOX/13 - Seattle)
KPTV (FOX/12 - Portland OR)
KAYU (FOX/28 - Spokane WA)
KCYU (FOX/41 - Yakima WA)
KFFX (FOX/11 - Tri-Cities WA)
KEVU (My/23 - Eugene OR)
KFXO (FOX/39 - Bend OR)
KIVI (ABC/6 - Boise ID)
KSAW (ABC/51 - Twin Falls ID)
KTBY (FOX/4 - Anchorage AK)
KATN (FOX/2.2 - Fairbanks AK)
KHNL (NBC/13 - Honolulu)
Beth Mowins, Rich Gannon, Matt Millen
KVVU (FOX/5 - Las Vegas)
KNSN (21 - Reno)
KTLA (CW/5 - Los Angeles) [Sun 2 PM PT]
KRON (MY/4 - San Francisco/Oakland)
KTVX (ABC/4 - Salt Lake City)
KGET (NBC/17 - Bakersfield)
KYUR (ABC/13 - Anchorage AK) [7 PM AKT]
KATN (ABC/2 - Fairbanks AK) [7 PM AKT]
KHON (FOX/2 - Honolulu)
If you're not in the areas on this list and can't access these channels, then NFL network should be airing it delayed.