Philadelphia Union announced today they have signed Union II goalkeeper Pierce Holbrook to a short-term agreement, making the 22-year-old available for the club’s match tonight against Chicago Fire.
Per the 2025 MLS Roster Rules and Regulations, a club may sign a player, age 25 years or younger during the league season, from its affiliate (MLS NEXT Pro) to a maximum of four Short-Term Agreements (up to four-day contracts) each season (maximum of 16 days). An individual player may be included on up to four MLS league season match rosters each season, however that player may appear in no more than two MLS league season matches. An individual player may appear in any number of non-league games during the terms of his four Short-Term Agreements.
