Zach Randolph and the Memphis Grizzlies powered their way to another playoff upset -- not that he considers it one. Randolph had a playoff career-high 34 points and 10 rebounds, Marc Gasol added 20 points and 13 boards, and the Grizzlies outmatched the Oklahoma City Thunder inside for a 114-101 victory in the opening game of the Western Conference semifinals on Sunday. "We believe," Randolph said. "We definitely believe. Our confidence is up high. I tell the guys we can compete and play with anybody." Read more: http://sports.espn.go.com/nba/recap?gameId=310501025