Jermichael Finley's baby mama just WENT OFF on the former NFL tight end for trashing guys like Marshawn Lynch and Colin Kaepernick over their protests ... telling him, "You are black!"
The ex-Green Bay Packer really pissed off his ex Courtney Finley with comments he made on social media and TMZ Sports ... when he said the national anthem protests are more about self-promotion than social justice.
Courtney, who is white, blasted the guy in a scathing Twitter post saying ...
"This serves as a reminder @jermichaelf88 in case you have forgotten; you are black.