On June 12 , 2008 , he received the Calder Memorial Trophy , awarded to the NHL 's best rookie player , finishing ahead of teammate Jonathan Toews and Washington Capitals forward Nicklas Bäckström .
On June 12 , 2008 he won the Calder Memorial Trophy awarded to the best rookie player in the NHL beating out his Blackhawks teammate Jonathan Toews and Washington Capitals forward Nicklas Backstrom .