American soccer writing, history & data.
| Club | From | To |
|---|---|---|
| Uhrik Truckers | 1924 | 1965 |
| Ukrainian Nationals | 1957 | None |
| Ukrainian Sport Club | 1950 | 1958 |
| Ukrainian Sport Club Sitch | 1951 | None |
| Ukrainian Sports Club New York | 1947 | None |
| Umbro-86ers Selects | 1998 | 1998 |
| Union A.C. | 1894 | 1894 |
| Union Iron Works | 1915 | 1921 |
| United Caledonians | 1909 | 1910 |
| United States Soldiers | 1910 | 1911 |
| United Steel Workers of America, Local Union 2609 | 1943 | 1945 |
| University of California | 1911 | 1913 |
| U.S. Pro-40 Select | 1998 | 2000 |
| Utah Freezz | 1999 | 2001 |
| Utah Golden Spikers | 1976 | 1976 |
| Utah Pioneers | 1976 | 1976 |