Michael Blackson is so disappointed in Jacksonville after yet another blowout loss Thursday ... he's tellin' TMZ Sports the Jags belong closer to the toilet bowl than the Super Bowl!!!
We got the comedian -- whose nephew is Eli Apple, a starter for the Saints -- leaving Boulevard3 in Hollywood, when we had to ask for his take on Derrick Henry's epic 99-yard TD run.
That's when Blackson told us the run was cool and all ... but he's WAY more disappointed in Jacksonville's D for letting the play happen!