CHARLOTTE, N.C. (AP) — against NASCAR opened Monday with three-time Daytona 500 winner Denny Hamlin breaking down in tears minutes into his testimony as the first witness in a case that could upend the venerable stock car series.

Hamlin's 23XI Racing, which he co-owns with Michael Jordan, and Front Row Motorsports claim the series is a monopolistic bully that leaves its teams no option but to comply with rules and financing they don't agree with.

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