Complex sentence: Roy and Earle eventually won the struggle and bought out Connie, Jr. However, to do so, they mortgaged the team to Connecticut General Life Insurance Company (now part of CIGNA).
Split into simpler sentences: Roy and Earle eventually won the struggle and bought Connie, Jr. out. To do it, however, they mortgaged the team to Connecticut General Life Insurance Company (now part of CIGNA).