Casspi represented Israel in the 3rd and 4th Maccabiah Games, winning gold medals in Javelin throw and decathlon, but was forced to retire due to a car accident in 1953. After recovery, in 1955, Casspi return to play for Maccabi Netanya, where he played until the end of the 1968–69 season, when he moved to Beitar Netanya, where he played the following season and retired from football in fall 1970.