Simplify the following text for a Grade 10 native English-speaking person.
Original: John Edward Schella ( born May 9 , 1947 in Port Arthur , Ontario ) is a retired professional ice hockey player who played 385 games in the World Hockey Association and 115 games in the National Hockey League .
Simplified: John Edward Schella ( born May 9 , 1947 in Port Arthur , Ontario ) is a retired professional ice hockey player . During his career he played 385 games for the Houston Aeros in the World Hockey Association and 115 games for the Vancouver Canucks in the National Hockey League .