Nick Cannon says he has no doubts the NFL's random drug testing of Eric Reid before and after games is the league's way of messing with the DB ... saying, "It's f*cked up."
Reid was randomly selected to pee in a cup for the 7th time this season after the Panthers' loss to the Saints on Monday night ... and the dude was pissed about it afterward.
Panthers S Eric Reid on his seventh random drug test this year and whether it will be part of his grievance case against the league pic.