"I JUST GOT SHOT!"
Louis Nix III -- a former star Notre Dame defensive lineman -- was shot in the chest in a horrifying incident in Florida ... but thankfully, he says he's doing alright now.
Cops in Jacksonville, FL say they responded to a gunfire call at around 9 PM Tuesday at a local gas station ... and found Nix lying wounded on the ground.
Officers say emergency medical personnel immediately rushed Nix to the hospital ... and there, a doctor told them Nix had said he appeared to be the victim of an attempted robbery.