Complex sentence: Park's first season in the Liverpool Comp Premier League saw them finish in a satisfactory 7th place although they found themselves overshadowed by the remarkable effort made by the 2s as they landed a 4th championship success on the bounce by winning the 2nd XI Premier Division.
Split into simpler sentences: Park's first season in the Liverpool Comp Premier League saw them finish in a satisfactory seventh place. However they would find themselves being overshadowed by the remarkable effort made by the second team as they landed a fourth championship success on the bounce by clinching the 2nd XI Premier Division.