Have you ever wondered how much money a gambler has lost on one sports bet? When it comes to betting on the NFL, that answer seems to be $506,000. That's what one gambler lost Sunday at the Ocean Casino Resort's William Hill Sportsbook.

One bold gambler put a whopping $506,000 on the Browns to cover as 3.5-point home underdogs against the Rams at the William Hill book at Atlantic City's Ocean Casino Resort. The bet was first reported in a tweet from Action Network's Darren Rovell.

Half a million dollars gone as the Browns’ offense struggled at home. That bet is the biggest of the NFL season so far and the single biggest a William Hill spokesman could remember.

ESPN.com reports that the bet was split into two tickets, according to William Hill spokesperson Michael Grodsky.

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