Complex sentence: He left Newcastle after falling out with the coach Nick Theo, and Reddy's father Rod Reddy had previously engaged in physical altercation with Nick Theo while Liam was playing for Parramatta Power.
Split into simpler sentences: He left Newcastle after falling out with the coach Nick Theo. Liam's dad Rod Reddy once got into a physical altercation with Nick Theo, while Liam was playing for Parramatta Power.