Brevard County Sheriff's Office

Independent wrestling star Teddy Hart -- the nephew of Bret Hart and Owen Hart -- was arrested last week after cops say he was in possession of ecstasy and steroids.

According to Titusville Police Department documents, obtained by TMZ Sports, the drugs were found in Teddy's rental car during a routine traffic stop on Friday in Titusville, Fla.

Cops say they initially pulled over the 43-year-old wrestler at around midnight ... after they say he ran a red light and traveled at a high rate of speed in a 2022 Mustang.

During the stop, though, police said they smelled an "overbearing odor of burnt marijuana emanating" from the vehicle ... and noticed "an unsealed medical marijuana container with a faded label inside of the glove compartment" as well as "several pieces of loose leaf marijuana shake" on one of the car's seats.

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