Carlo Colaiacovo provided three assists as the Blues rallied from a 3-1 deficit in the third period for a 4-3 win over the Oilers.  David Backes and Alex Pietrangelo each registered a goal and an assist for St. Louis, which has won two straight.  Matt D'Agostini also lit the lamp for the Blues.  Jaroslav Halak made 29 saves in net for the victors.  The Blues wrap up a three-game homestand tomorrow night against the Colorado Avalanche.