The Blackhawks on Monday signed Brent Seabrook to a three-year contract extension, as reported by Yahoo Sports. Financial terms were not disclosed. ?Brent Seabrook is one of our core players, and we feel he has a brilliant future,? said GM Dale Tallon. ?Seabrook is a big part of our team and one of our team leaders. He is going to be a major part of our success for years to come.?