Australians ooze class but Michael Clarke’s batting woes continue

• Australians 413-9 v Derbyshire
• David Warner and Shaun Marsh each hit 101 before retiring outThe Australians purred at the top and sputtered in the middle on the first day of their outing against Derbyshire. You could predict the toss would bring few surprises, given the Australians warmed up with throw-downs in centre-wicket nets while Derbyshire bowlers pelted balls down an adjacent strip. David Warner and Shaun Marsh carried that same sense of net-session ease to the middle, as both op