Complex sentence: Rossi was a quarterback at Michigan State University in the 1938 and 1939 seasons and was a National Football League official when he became the Texans first general manager under Lamar Hunt.
Split into simpler sentences: Rossi was a quarterback at Michigan State University in the 1938 and 1939 seasons. He was a National Football League official when he became the Texans first general manager under Lamar Hunt.