Complex sentence: After establishing an early reputation as a prolific schoolboy batsman, Jardine played cricket for Winchester College, attended the University of Oxford, playing for its cricket team, and played for Surrey County Cricket Club as an amateur.
Split into simpler sentences: After establishing an early reputation as a prolific schoolboy batsman, Jardine played cricket for Winchester College. He went to the University of Oxford, playing for its cricket team before going on to play for Surrey County Cricket Club as an amateur.