The Memphis Grizzlies were the surprise of the NBA last summer, riding Zach Randolph's broad shoulders to within one win of the Western Conference finals. If they hope to build on that momentum this season, they'll have to do it without their burly power forward and unquestioned leader for the next two months. Randolph is expected to miss six to eight weeks after tearing a ligament in his right knee, the team announced on Wednesday.
