Simplify the following text for a Grade 11 native English-speaking person.
Original: Brent Seabrook ( born April 20 , 1985 in Richmond , British Columbia , Canada ) is a professional Canadian ice hockey defenceman that currently plays for the Chicago Blackhawks of the National Hockey League ( NHL ) .
Simplified: Brent Seabrook ( born April 20 , 1985 ) is a Canadian professional ice hockey defenceman playing for the Chicago Blackhawks of the National Hockey League ( NHL ) .