Jake Paul warns bettors picking Silva in the fight, "You shouldn't have done it!"

TMZSports.com

Jake Paul is giving those who choose Anderson Silva to win on October 29 enough time to reconsider...by telling TMZ Sports they're going to lose all their money!!

We spoke with the problem kid - who is currently the underdog bet against the former UFC champion - about his highly anticipated next fight...and despite a ton of respect for his opponent, Paul tells us he's bloodthirsty once they hit the ring.

"I'm knocking that guy out," says Jakey P... adding that the fight won't last more than five rounds. "I promise everyone."

"Come back to that interview, everyone, after the fight, and they'll be like, 'Wow, he predicted the future,'" he added. "I have a crystal ball in my room and I can see it."

Jake Paul offers Dana White a $5 million bet on Anderson Silva fight

Jake says he's excited to prove people wrong on Saturday night...and has a message for those putting their hard-earned cash on Spider.

"You shouldn't have done it. You should have invested in something else."

"And everyone who bet on me? That's good, man. You're gonna get some money, maybe a new car, maybe your rent will be paid."