Young challenger Andy Murray marched into the last 16 of Wimbledon on Saturday, while comparative veterans Andy Roddick and Lleyton Hewitt issued reminders that they are far from spent forces. British third seed Murray trounced 30th-seeded Serb Viktor Troicki 6-2 6-3 6-4, needing just one hour and 36 minutes to maintain his hopes of reaching the final at SW19 for the first time
