Simplify the following text for a Grade 13 native English-speaking person.
Original: Brent Sopel ( born January 7 , 1977 in Calgary , Alberta ) is a professional Canadian ice hockey player that currently signed to the Montreal Canadiens of the National Hockey League ( NHL ) as a Defenceman .
Simplified: Brent Sopel ( born January 7 , 1977 ) is a Canadian professional ice hockey defenceman currently playing for the Montreal Canadiens of the National Hockey League ( NHL ) .