The son of Ukrainian immigrant parents,[1] Rosul played for the Cleveland Lviv youth teams growing up.
He scored 32 goals in 11 games his senior season as the team went undefeated and won the Ohio State High School soccer championship.
[3] In addition to his collegiate career, Rosul also played for the amateur Inter-Italia SC of Cleveland which lost to Maccabi Los Angeles in the 1973 National Challenge Cup.
[5] In 1977, he began the season with the Fort Lauderdale Strikers before moving to the Connecticut Bicentennials.
In April 1983, he joined the Jacksonville Tea Men of the American Soccer League.