Another bizarre twist in the Otis Nixon arrest ... with cops saying they found marijuana in the ex-MLB star's rental car ... TMZ Sports has learned.
We broke the story ... Nixon was arrested in Georgia last week after cops found a 16-year-old boy driving a car rented to Otis ... despite the fact the boy doesn't have a license.
Now, more details ...
Cops say there were 4 people in the Dodge Charger -- two 15 year olds, a 16-year-old and an 18-year-old. The driver was 16.
When they approached the vehicle, which cops say was being driven erratically, they smelled weed ... and a search turned up around 6 grams of marijuana.
Cops also found a BB gun rifle with the stock removed and a blue bandana wrapped around the stock area.
The driver produced a letter from Nixon authorizing him to have and drive the car ... which is obviously not valid ... so a warrant was issued for Nixon's arrest.
Nixon was later taken into custody for allowing an unlicensed driver to drive and contributing to the delinquency of a minor.
As for the weed, Nixon has not been charged for that.
This case keeps getting weirder ... we're on it. Stay tuned.
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