Simplify the following text for a Grade 12 native English-speaking person.
Original: Alexandre `` Alex '' Plante ( born May 9 , 1989 ) is a Canadian professional ice hockey defenceman who is currently playing for the Oklahoma City Barons of the American Hockey League .
Simplified: Alexandre Plante ( born May 9 , 1989 ) is a Canadian professional ice hockey defenceman who is currently playing for the Edmonton Oilers of the National Hockey League .