Colin Kaepernick is NOT buying into the Big 3 -- despite a report the star quarterback was teaming up with Ice Cube to invest in the hoops league -- with a rep for Kap telling TMZ Sports the story is bogus.
On Wednesday night, Shams Charania reported 34-year-old Kap was stepping in as an investor to help Cube's hoops league, which the NBA insider said was "on the verge of potentially shutting down."
But, a rep for Kaepernick tells us the story just isn't true .