Complex sentence: Ducksworth makes a deal with Reilly about the Hawks keeping Banks; however, Bombay refuses it, since it would be against fair play, which Ducksworth berated him about when he started his community service.
Split into simpler sentences: Ducksworth makes a deal with Reilly about the Hawks keeping Banks. However, Bombay refuses since it would be against fair-play, which Ducksworth berated him about when he started his community service.