Philadelphia Union mourn death of goalkeeper Holden Trent aged 25

"We are deeply saddened to share that Holden Trent has passed away at 25 years old. May he rest in peace," the Union said in a statement.

"While he was a wonderful player and fierce competitor, he was more importantly a devoted son, brother, fiancé, and teammate who made those around him better."

No cause of death was revealed by the team or family.

Trent served as a backup 'keeper eight times for the Union this past season and played six matches for the Union's top developmental squad.

"Out of respect to Holden's friends and family, there will be no further statements at this time and ask that their privacy is respected as they grieve," the Union statement said.

MLS Commissioner Don Garber said Trent was "a young goalkeeper with a bright future".