Complex sentence: Some consider Cochems' star passer, Bradbury Robinson to be the first "triple threat man" though the relative sports media isolation of St. Louis in those years meant that the pass-oriented offense would not adopted by the major football powers until the next decade.
Split into simpler sentences: Some consider Cochems' star passer, Bradbury Robinson to be the first "triple threat man". But because St. Louis was isolated from the major sports media of that era, pass-oriented offenses would not adopted by the major football powers until the next decade.