Tragedy has struck the Dallas Cowboys organization again ... longtime assistant coach Gary Brown died on Sunday -- just days after one of the team's legends, Rayfield Wright, passed away.
Brown -- who coached Dallas' running backs from 2013 through 2019 -- had reportedly been in hospice care recently after a lengthy battle with cancer.
He was just 52 years old.
"Everyone who knew him, loved him," Cowboys owner Jerry Jones said in a statement. "He meant so much to the players he coached and the coaches he coached with.