Matchday 23: USMNT youngsters face off, Rocky Mountain Cup & more! | MLSSoccer.com

Matchday 23 in MLS brings multiple storylines, starting with USMNT prospects as Red Bull New York hosts the Philadelphia Union. Teenage homegrowns Julian Hall and Adri Mehmeti have been key for RBNY under first-year coach Michael Bradley, with Hall leading the scoring for the team (9 goals, 5 assists) and earning a contract extension after a first MLS All-Star nod. For the Union, Cavan Sullivan—16 and reportedly headed to Manchester City in the future—has 1 goal and 3 assists in his last three matches and has helped Philadelphia hover near the Audi MLS Cup Playoffs line, aided by Neil Pierre (6-foot-7) with 3 goals and 1 assist in six games. Saturday’s Rocky Mountain Cup pits Colorado Rapids against Real Salt Lake, where the Rapids seek a third straight trophy after home success, while RSL tries to rebound from a Leagues Cup quarterfinal loss to Club León. Sunday features St. Louis CITY SC vs. FC Dallas. St. Louis enters on an 11-game unbeaten run (8W-0L-3D).