Complex sentence: Philip "Phil" Jackson is an English professional rugby league footballer who played in the 1970s, playing at representative level for England, and at club level for Bradford Northern, as a, i.e. number 8 or 10, during the era of contested scrums.
Split into simpler sentences: Philip "Phil" Jackson is an English former professional rugby league footballer who played in the 1970s. He played at representative level for England, and at club level for Bradford Northern, as a, i.e. number 8 or 10, during the era of contested scrums.