“You name it, he’s involved in all of it,” began Carolina Hurricanes coach Rod Brind’Amour. “I don’t think you have another owner in sports that’s as involved in his team as he is.” When your own team’s coach heaps such praise on you, there’s no doubt you’re doing something right. The man in contention is the NHL franchise’s owner, Tom Dundon, who has undoubtedly raised the bar for the Hurricanes. But who would have thought that this very trait of his—his relentless involvement—would evolve into a fixation that’s now drawing questions, as the American billionaire splurges over $4 billion to acquire the NBA’s Portland Trail Blazers?

Quite ironic, considering the man — whose net worth is estimated between $1.2 and $1.7 billion — already has ventures in other sports as well.

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