Michael Irvin says he's still 100% on Team Antonio Brown -- rooting for the embattled NFL star to get his career and life on track ... and he ain't apologizing for it!
The NFL Hall of Famer tells TMZ Sports he knows supporting AB isn't the popular thing to do these days ... but Mike doesn't care what everyone else thinks.
Irvin says he spent his off-season giving motivational speeches -- and talked to kids from "some of the hardest ghetto areas in Miami that Antonio Brown has come from."
"And I want his story to end well so I can use it as inspiration and motivation for all those other black little kids in the ghettos and in the hells of America that are trying to get out.