Dylan Tombides, 20, died at the age of 20 following a battle with cancer, according to West Ham United.

Tombides died on Friday morning with his family by his side, three years after being diagnosed with testicular cancer while representing Australia at the Under-17 World Cup in Mexico in the summer of 2011. He continued to train and made his West Ham debut as a substitute against Wigan Athletic in the Capital One Cup last season, and he was also on the bench against Burnley earlier this season.

Tombides, who played up front, was born in Perth, Australia, and was regarded as one of West Ham’s most promising young players. He represented Australia Under-17s and

“Dylan was respected by everyone who knew him for his intelligent views on the game and his larger than life character,” West Ham said in a statement. He was a devoted son, a wonderful brother, and a valued member of the West Ham squad. Everyone who had the privilege of knowing him will miss him greatly.

“Dylan’s amazing resilience and positivity saw him through months of surgery and chemotherapy, while his outstanding talent saw him make his first-team debut in a League Cup tie with Wigan Athletic at the Boleyn Ground in September 2012.”

Tombides’ death will be commemorated with a minute’s applause before West Ham’s match against Crystal Palace at Upton Park on Saturday afternoon, and the players will wear black armbands in his honor.

Australia has