Well, that didn't take long. Just eight days after a Duke fan boldly declared the Blue Devils might not lose a single game all season, reality came crashing down in East Lansing.

The Blue Devils, who entered the 2026-27 campaign as heavy favorites to cut down the nets, suffered a stunning 79-73 loss to Michigan State on Tuesday night. The defeat leaves Duke at 2-1 and sends a clear message: no team is invincible, no matter how much talent is on the roster.

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The hype was real, though. Duke steamrolled its first two opponents, winning by a combined 97 points. They opened with an 84-50 rout and followed that with a 113-52 demolition. It was the kind of start that makes fans believe in perfection—and one fan, Marty Mush, took to social media to voice that belief.

“Duke actually like might not lose one game. I can’t believe what I’m watchin,” Mush posted on X. That post aged like milk in the Arizona sun.

Michigan State, led by the sensational Jeremy Fears, had other plans. Fears was everywhere, finishing with 18 points, seven rebounds, and 11 assists in 33 minutes. He controlled the tempo, got to the line at will, and made Duke's defense look helpless. As Duke head coach Jon Scheyer put it, “He plays with amazing control over the game, and it’s hard to stop a guy if you give him 17 free throws.”

Scheyer didn't mince words after the loss. “That wasn’t Duke basketball. We did not play together,” he said. “Bottom line, we weren’t connected, and we’re gonna fix it, I can promise you that much.”

The Spartans, meanwhile, earned every bit of the victory. “Congrats to Michigan State. They 100% deserved to win. I thought they outcompeted us. They played more together,” Scheyer added, giving credit to Tom Izzo's squad.

For Duke, the loss is a wake-up call. The Blue Devils are loaded with NBA prospects and have championship aspirations, but Tuesday night proved that talent alone isn't enough. The margin for error in college basketball is razor-thin, and as this team learned, even the best can stumble on any given night.

This early-season stumble echoes the unpredictability that makes college hoops so compelling. Just ask the fans who were already booking their tickets to the Final Four. The undefeated dream is dead, but the season is far from over. Duke will have plenty of chances to prove they're still the team to beat.

For now, though, the Blue Devils are licking their wounds, and one fan's bold prediction is already a cautionary tale. As the old saying goes, it's not how you start—it's how you finish. And Duke's finish is still very much in question.