Fourth line plays important role for Blues
ST. LOUIS, MO - APRIL 14: Vladimir Sobotka #17 of the St. Louis Blues throws Dominic Moore #18 of the San Jose Sharks to the ice during Game Two of the Western Conference Quarterfinals during the 2012 NHL Stanley Cup Playoffs at the Scottrade Center on April 14, 2012 in St. Louis, Missouri. The Blues beat the Sharks 3-0. (Photo by Dilip Vishwanat/Getty Images)
