Career
In 1965, the United States. played four games, all qualification matches for the 1966. Gerley started all four games as the United States. went 1-1-2 and failed to qualify for the finals. Gerley kept one clean sheet when the United States. defeated Honduras 1-0 on March 17, 1966.
The United States. national team had no games in 1967.
By 1968, Gary DeLong had become the team’s starting goalkeeper and Gerley played only two games, one as a second half substitute. His last game with the national team came in a 5-2 exhibition loss to Haiti on October 21, 1968.
Gerley played for New York Ukrainian of the German American Soccer League during the 1969-1970 season.