CHICAGO - The Chicago Blackhawks have signed top pick Brent Seabrook and three other players. Financial terms of the signings Thursday of the players selected in 2003 were not disclosed.

Seabrook, a 20-year-old defenseman, played five seasons for Lethbridge of the Western Hockey League, where he had 39 goals and 137 assists in 264 games.

Center Colin Fraser, 20, was originally drafted by Philadelphia in the third round, but was acquired by the Blackhawks in a deal in 2004 that sent Alex Zhamnov to the Flyers.

Corey Crawford, a 20-year-old goalie, was the Blackhawks' second-round pick in 2003. He played four seasons for the Moncton Wildcats of the Quebec Major Junior Hockey League and posted a record of 96-68-18 with a 2.80 goals against average.

Defenseman Dustin Byfuglien was Chicago's eighth-round pick. The 20-year-old backliner played four seasons with two different teams in the WHL, getting 48 goals and 94 assists.