When Bergeron, Marchand, Pastrnak, and Krug are on the ice together, their CF% is 70.5%. 273 CF and 114 CA. That's crazy.
Just Bergeron and Marchand together is 62.1%.
Marchand without Bergeron, Pastrnak, or Krug on the ice is 40.6% (though only 40 minutes of sample).
Marchand without Bergeron and Pastrnak is 45.1% (71 minutes).
Marchand without Bergeron is 52.4% (147 minutes).
This is all 5v5.