2025 March Madness Big Bets report: Duke title could turn $5 into $168k for bettor

March Madness odds are obviously huge for the games themselves. We saw that over the first four days of the NCAA Tournament, with sportsbooks nationwide reporting heavy activity across the first 48 games.

But many bettors also tried to predict the future, wagering on March Madness championship odds. And some of those bettors went the full Nostradamus and put in their predictions almost a year ago.

Such is the case with a Hard Rock Bet customer, who’s on the brink of turning five bucks into a massive six-figure payday.

Read on for more on that play and other notable NCAA Tournament bets.

Put Up Your Duke

On May 12, 2024, before the Tennessee baseball team won the College World Series, a prescient bettor put together this five-team futures parlay at Hard Rock Bet:

• Tennessee…