Complex sentence: He also claimed Liverpool supporters had written to him to not join the club, as well as being abused by opposition players and even on occcasion he would overhear a team mate make a racist remark towards other black players in opposition teams.
Split into simpler sentences: He also claimed Liverpool supporters had written to him to not join the club, as well as being abused by opposition players. On occcasion he even overheard a team mate make a racist remark towards other black players in opposition teams.