Nico Harrison's minutes are numbered in Dallas -- the Mavericks are expected to part ways with the general manager who shipped franchise player Luka Doncic to Los Angeles earlier this year on Tuesday.
The report came from Shams Charania just minutes ago ... who stated the team intends to cut the ties with the former Nike exec at 8 AM PST.
The Mavs are 3-8 so far this season .