The Memphis crowd was on its feet, the chants resonating through FedExForum in the final two minutes of overtime. "Z-Bo! Z-Bo! Z-Bo!" the faithful hollered, acknowledging the dominance of forward Zach Randolph in a Grizzlies comeback. Randolph set season highs with 38 points and 22 rebounds to carry the Grizzlies down the stretch for a 108-98 overtime victory over the Phoenix Suns on Tuesday night.