Australia's Ashes plans hit as Shaun Marsh joins Warner as first Test doubt

Glenn Maxwell called up to squad as cover for injured pairMarsh has a sore back with Warner suffering from a neck injuryAustralia have seen their plans thrown into jeopardy after being forced to fly in Glenn Maxwell as batting cover on the eve of the first Ashes Test amid injury doubts to both David Warner and Shaun Marsh.Maxwell was already heading to Brisbane with Warner suffering a neck problem in the lead up to the curtain-raiser against England that has curtailed the opener’s practice