Cliff Lee learned what playoff baseball is all about on Wednesday afternoon, and from what he showed on the mound, he’s built for the October pressure cooker.

Anyone who second guessed Uncle Charlie’s decision to give Lee the ball over Cole Hamels now understands why the 2008 AL Cy Young Award winner got the start.

Lee dominated the Rockies, pitching a complete game, en route to a 5-1 Phillies win.

For four innings, it looked as if the Phils and Rockies were in a pitchers’ duel as each team managed just three hits and no runs. Then, in the bottom of the fifth, the Phils jumped all over Rockies starter Ubaldo Jimenez, scoring two runs on RBI doubles by Carlos Ruiz and Jimmy Rollins.

The Phils added three more in the sixth inning.

Lee scattered six hits and struck out five in his postseason debut.

The Phillies and Rockies battle again tomorrow at 2:37 p.m. Cole Hamels will get to show everyone that he is still the reigning postseason MVP. If he wants to be viewed as a money pitcher, he now needs to keep up with Lee.