The Bruins' top line of Brad Marchand, Patrice Bergeron and David Pastrnak have been held in check against the St. Louis Blues through the first two games of the 2019 Stanley Cup Final. What's been the key to Blues' success against the 'perfection line', and what do Marchand, Bergeron and Pastrnak need to do to bounce back when the series shifts to St. Louis for Game 3? Visit BruinsDaily.com and Boston.com for complete coverage of the Bruins' Game 2 OT loss. Follow us on social media throughout the Stanley Cup Final for up to the minute updates: Facebook: facebook.com/bruinsdaily Twitter: @BruinsDaily Instagram: @bruinsdaily_official