[1] Poschner was born in Youngstown, Ohio,[2] and came to the University of Georgia as a result of the efforts of his good friend, Frank Sinkwich.

[3] Poschner earned All-America honors in 1942, and was selected in the eighth round of the 1943 NFL draft by the Detroit Lions.

[1] Poschner served in the United States Army in World War II, where he received the Purple Heart, Bronze Star and Distinguished Service Cross.

While advancing into enemy territory, he was severely injured by machine-gun fire and did not receive medical treatment until two days later.

[6][7] A New York Times report on Poschner's injuries observed, "His brilliant pass receiving added much to the reputation of All-America Frank Sinkwich, also of Youngstown, as a forward passer".