Complex sentence: He is the head coach of the New Zealand national rugby league team and is also an assistant coach at the Brisbane Broncos, and was previously the head coach of the Parramatta Eels in the NRL, before he was sacked due to poor results.
Split into simpler sentences: He is the head coach of the New Zealand national rugby league team and is also an assistant coach at the Brisbane Broncos. Kearney was previously the head coach of the Parramatta Eels in the NRL, before he was sacked due to poor results.