In 1921, the club changed its name to Harrison S.C. when it became a founding member of the professional American Soccer League and played its home matches at Harrison Field. The team won the New Jersey State Cup in 1920 and 1922.
In 1921, the club changed its name to Harrison S.C., becoming a founding member of the professional American Soccer League and playing home games at Harrison Field. The team won the New Jersey State Cup twice: in 1920 and 1922.