Philadelphia Union joined Major League Soccer in 2010 and play at Subaru Park in Chester, Pennsylvania, on the banks of the Delaware River. The club is known for one of the best academies in North America, which has produced players who moved to Europe for large fees. Philadelphia won the Supporters' Shield for the best regular-season record in 2020 and finished top of the overall table again in 2025.
Philadelphia Union
Stadium photo: Something Original (talk), CC BY-SA 3.0, via Wikimedia Commons