sentences:  Heading into the 2007 NHL Entry Draft, Kane was ranked first among North American prospects by the NHL Central Scouting Bureau and was chosen first overall by the Chicago Blackhawks.The St. Louis Blues offered to trade the Blackhawks their 9th, 24th and 26th overall picks in the 2007 Draft in order to acquire Chicago's first overall selection and draft Kane.On July 25, 2007, Blackhawks' general manager Dale Tallon announced that they had signed Kane to a three-year contract.