American soccer writing, history & data.
| Club | From | To |
|---|---|---|
| IMG Academy Bradenton | 1998 | 2018 |
| Immaculate Conception Parish | 1908 | 1911 |
| Independent A.F.C. | 1902 | 1912 |
| Indian Motorcycle | 1920 | 1922 |
| Indiana Blast | 1997 | 2004 |
| Indiana Invaders F.C. | 1983 | 2011 |
| Indiana Twisters | 1996 | 1997 |
| Indy Daredevils | 1974 | 1979 |
| Inland Empire Panteras | 1995 | 1995 |
| Innisfail Hurling and Football Association | 1905 | 1955 |
| Inter S.C. | 1960 | 1969 |
| Interborough Rapid Transit F.C. | 1913 | 1930 |
| International A.C. | 1895 | 1896 |
| International Club | 1932 | 1935 |
| Irish-American F.C. | 1933 | 1951 |
| Ironsides A.F.C. | 1916 | 1917 |