Ex-NFL QB Anthony Wright is lucky to be alive today ... a witness to his shooting last week says the former Baltimore Raven was "fading" quickly after he was shot in the back and chest.
It's all in new 911 audio obtained by TMZ Sports ... where a man says he saw Wright get shot "by a guy with a silver 9 millimeter" after an argument in North Carolina on July 1.
"He's breathing, but he's fading," the witness tells dispatch ... "He got shot right in the chest and in the back.