The 1928 National Challenge Cup was the annual open cup held by the

United States Football Association The United States Soccer Federation (USSF), commonly referred to as U.S. Soccer, is a 501(c)(3) nonprofit organization and the official governing body of the sport of soccer in the United States. Headquartered in Chicago, the federation is a ...

now known as the

Lamar Hunt U.S. Open Cup The Lamar Hunt U.S. Open Cup, commonly known as the U.S. Open Cup (USOC), is a Single-elimination tournament, knockout cup competition in men's Soccer in the United States, soccer in the United States of America. It is the oldest ongoing nati ...

Eastern Division

Western Division

Final

References

{{1927–28 in American soccer U.S. Open Cup

Nat Nat or NAT may refer to: Computing * Network address translation (NAT), in computer networking Organizations * National Actors Theatre, New York City, U.S. * National AIDS trust, a British charity * National Archives of Thailand * National As ...

New York Nationals (ASL)