Lapierre, 29, has two goals and seven assists in 45 games for the Blues this season. This was his second season in St. Louis, and he was averaging about 10 minutes of ice time per game.
The 31-year-old Goc has scored two goals and added four assists this season for the Penguins. He was averaging around 12 minutes of ice time per game in his second season with the Penguins.
The Blues are 29-13-4 and tied with the Blackhawks for the No. 3 seed in the Western Conference. They host the Predators on Thursday.
Pittsburgh is currently the No. 5 seed in the Eastern Conference with a 27-12-8 record. The Penguins play at the Capitals on Wednesday.
- Paul Palladino