Complex sentence: Langston was invited to play an exhibition game against the Globetrotters in Oklahoma City, Haynes led Langston to a 4-point win and was immediately invited to join the Globetrotters, and (after returning to Langston to complete his degree) his long professional career began.
Split into simpler sentences: Langston was invited to play an exhibition game against the Globetrotters in Oklahoma City. In that game, Haynes led Langston to a 4-point win and was immediately invited to join the Globetrotters, and (after returning to Langston to complete his degree) his long professional career began.