[1] He was also a sub-novice Intercollegiate boxing heavyweight champion, and hit a pivotal home run in the 1943 North African World Series to lead the Casablanca Yankees to victory over the Algiers Street Walkers.
[5][6] He also played baseball for the high school team, as a catcher, alongside his brother, who was an All-State first baseman.
[3][12] As a private in the US Army, Singer tried out at Fort Dix, New Jersey, for the 44th Infantry Division baseball team in April 1941.
[14] He played in the North African World Series, a best two-out-of-three-game baseball championship played on October 3 and 4, 1943 in Algiers, Algeria, between the Casablanca Yankees and the Algiers Streetwalkers, drawn from the ranks of American soldiers and sailors stationed in North Africa during World War II.
In 1999, Singer received The Star Ledger's All-New Jersey 1930's honorable mention (high school).