With Merger Off, BetMGM Looks to Its Next Test: the Super Bowl

BetMGM Chief Executive Officer Adam Greenblatt said more of his customers are wagering that the underdog Tampa Bay Buccaneers will beat the Kansas City Chiefs in Sunday’s Super Bowl.

That means he could lose money if Tom Brady’s team pulls off an upset victory. One BetMGM customer in Nevada wagered $2.3 million on the Bucs. “As if I wasn’t nervous enough before,” Greenblatt said in an interview. The Chiefs are currently favored by about three points.

Regardless of the outcome, Sunday’s game will provide the biggest showcase yet for BetMGM and the rest of the U.S. sports-betting industry, which ...