[3] He caught 48 for 586 yards in 1941, a school record that stood until 1984, and was a United Press International All-Eastern first-team choice.
[1] In 1942, Supulski played in six games for the Philadelphia Eagles of the National Football League, scoring on a 41-yard touchdown reception in the season opener against the Pittsburgh Steelers.
[1] At the end of the 1942 season, Supulski entered the United States Army Air Forces.
He reported to the 582nd Bomb Squadron for advanced training at Kearney Air Force Base in Nebraska to prepare for service in World War II.
[5] On August 31, Supulski was killed along with seven others in the crash of a Boeing B-17 Flying Fortress bomber near Kearney, Nebraska, during a training flight after the aircraft caught fire and exploded upon impact with the ground.