This year's Puppy Bowl is the biggest yet.
The event features 131 puppies from 73 shelters and rescues across 36 states and territories.
Photographer John Nowak spent three days in upstate New York and came away with these portraits.
You can watch Team Ruff take on Team Fluff on Sunday at 2 p.m. ET on Animal Planet, which, like CNN, is a unit of Warner Bros. Discovery.