Maddy Cusack represented Sheffield United and also played for England WU19s
Baroness Sue Campbell, FA Director of Women’s Football, said: "We are all devastated to learn about the passing of Maddy Cusack.
"On behalf of The FA, the Lionesses, the Women’s Super League and the Women’s Championship, our thoughts and deepest condolences are with Maddy’s family, friends, team-mates and everyone at Sheffield United.
"Maddy also represented England at age-group level and we will pay tribute to her at an appropriate point. We are in contact with the club and will continue to offer them our full support during this incredibly sad time."
