Simplify the following text for a Grade 12 native English-speaking person.
Original: Adam David Vernon Foote ( born July 10 , 1971 in Whitby , Ontario ) is a retired professional Canadian ice hockey defenceman that played 20 seasons in the National Hockey League ( NHL ) most notably with the Quebec Nordiques\/Colorado Avalanche orginazations .
Simplified: Adam David Vernon Foote ( born July 10 , 1971 ) is a Canadian professional ice hockey defenceman and captain of the Colorado Avalanche of the National Hockey League ( NHL ) .