Complex sentence: A starting regular under Jim Harvey at Morecambe, Kempson was mainly used a substitute under Sammy McIlroy, and decided not to renew his contract with the Shrimps and had a successful trial with Crewe in the summer of 2006.
Split into simpler sentences: A starting regular under Jim Harvey at Morecambe, Kempson was mainly used a substitute under Sammy McIlroy, and decided not to renew his contract with the Shrimps. He had a successful trial with Crewe Alexandra in the summer of 2006.