Brett Favre wouldn't allow it ... neither would Barack Obama, LeBron James and Adrian Peterson -- but Eric Decker WILL let his kids play football when they grow up -- so says his famous wife.
We got Jessie James Decker out in NYC this week when she didn't seem to have one bit of concern over letting her sons strap on the pads.
"I'd be alright with it," the country singer tells TMZ Sports.