Former Manchester United midfielder Liam Miller died of cancer at the age of 36, another of his old clubs, Celtic, announced.
Miller, who won 21 caps for Republic of Ireland over a 16-year career, broke through at Celtic before he moved to Old Trafford in 2004.
It was reported in November that Miller was suffering with cancer, his former clubs rallying around him and his family.
Miller's death on Saturday (AEDT) brought tributes from a number of his former clubs, including Leeds United, Hibernian and Sunderland.
"Everyone at Leeds United are deeply saddened to hear of the passing of former Leeds midfielder Liam Miller," the Championship club wrote. "Our thoughts are with his family and friends."