Melbourne [Australia], January 7 (ANI): The Australian pace trio of skipper Pat Cummins, Mitchell Starc and Josh Hazlewood looks to be on track to feature in all seven Test matches of the summer against Pakistan, West Indies and New Zealand as the coach Andrew McDonald and Cummins are surprised with the physical fitness of the trio after a heavy year featuring the ICC World Test Championship final, The Ashes and ICC Cricket World Cup in India. Cummins, Hazlewood and Starc have appeared in 28 Tests together as a pace trio, but it is only the second time that they have played five successive Tes…