The Pittsburgh Penguins defeated the St. Louis Blues 4-1 Sunday afternoon. Sidney Crosby scored his 400th career goal, and had two goals in the game. Matt Murray stopped 34 of 35 shots on goal. The victory keeps the Pens in second place in the Metropolitan Division, one point in front of Philadelphia. The Pens remain four points behind first-place Washington. The Penguins will host Ottawa tomorrow night, the first of three home games this week.