Barstool Sports founder Dave Portnoy is making any pizza lover's dream come true -- assembling some of the most famous pie joints for a massive festival ... and he's dubbing it the biggest of its kind.
El Pres -- who's reviewed more than 1,000 pizza places over the years -- spoke with TMZ Sports about his latest venture in the food industry ... the One Bite Pizza Festival, which is slated to go down September 23.
"I'm super psyched about it," Portnoy said. "I've always wanted to do a pizza festival, but I never gave it a ton of thought, because I didn't think it was possible.