Marcus Jordan Pleads Not Guilty In DUI Case

Marcus Jordan Pleads Not Guilty ... In DUI Case

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Marcus Jordan entered a not guilty plea in his DUI case on Friday, TMZ Sports has learned.

As we previously reported ... Michael's son is facing three charges stemming from his run-in with police earlier this week -- DUI crash with property damage, possession of cocaine and resisting an officer without violence.

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Jordan allegedly got his Lamborghini SUV stuck on train tracks early Tuesday morning after a night out in Florida ... and when cops arrived at the scene, they claim he showed signs of intoxication.

Officers say they tried to get Jordan to take breath tests ... but he wouldn't…