12:10 PM PT -- According to a police report obtained by TMZ Sports, cops found a small baggie of "suspected" crack cocaine, a baggie of molly and some marijuana residue inside Vick's apartment.
More bad news for Marcus Vick ... the ex-NFL QB -- and younger brother of Michael Vick -- was arrested over the weekend in Virginia on a drug possession charge.
Cops say they went to Vick's apartment in Newport News on Saturday after someone complained about a marijuana odor in the area.
Police say the smell became stronger when Vick opened the door to his place.
He let the officers come inside and search the apartment. Vick was taken into custody for possession of a schedule I or II drug.
The former Virginia Tech standout is already on probation stemming from an assault case earlier this year -- and could now face serious time behind bars.
In case you missed it -- Vick led cops on a CRAZY foot chase during the assault arrest.