keywords: pujols cardinals homers inning astros
text: Homers by Pujols, Rolen Power Cardinals  NEW YORK (Reuters) - Albert Pujols and Scott Rolen hit  back-to-back home runs in the eighth inning to lead the St.  Louis Cardinals to a 6-4 win over the Houston Astros in Game  Two of the NL Championship Series at Busch Stadium Thursday.