Barry Sanders suffered a heart-related medical scare over the weekend ... the NFL Hall of Famer announced Friday.
The former running back said the health issue happened out of nowhere on Father's Day, but did not go into detail on what he experienced.
"It was unexpected and served as a reminder of the importance of staying vigilant about our physical well-being, even when we are feeling fine," Barry said in a statement released by the Detroit Lions.
Barry thanked all the medical professionals who helped him out .