Former Atlanta Falcons player Keoin Carpenter dies at 39

Ex-NFL player Keion Carpenter -- who played for the Bills and Falcons -- died Thursday morning after collapsing during a workout earlier this week ... a family spokesperson confirmed. 

39-year-old Carpenter -- a standout player at Virginia Tech in the late '90s -- was working out on a family vacation when he collapsed and fell into a coma. 

The family issued a statement moments ago confirming his death.