Brent Seabrook underwent shoulder surgery and is out the remainder of the season. He will also need to undergo two hip surgeries in the coming months. He has been placed on LTIR. (Chicago Blackhawks on Twitter)
It is safe to assume that Seabrook has suited up for the last time. Although he is a warrior and will try his best to come back hip surgeries are death sentences for NHLer's especially in their mid 30's.