The 24-year-old forward has two goals and two assists in 19 games this season with Pittsburgh's AHL affiliate in Wilkes-Barre/Scranton. Last season, the winger played five games with the Penguins and had 10 goals and 21 assists in 71 AHL games.
Filewich was drafted by Pittsburgh in the third round, 70th overall, in 2003. He will report to the Blues' AHL team in Peoria, Ill.
I remember the first time at Wrigley Field all of us had the long johns, the turtlenecks and the extra equipment because we were afraid of being cold. Halfway through the first period everybody's ripping everything off and we just ended up wearing what we would normally wear for a game at the United Center.
— Chicago Blackhawks forward Patrick Sharp on the 2009 Bridgestone NHL Winter Classic