Usman Khawaja open to batting in the middle order as he eschews retirement speculation

Usman Khawaja is feeling 100 per cent fit and ready to fire as he eschews chatter about a farewell Test, ready to embrace a middle-order demotion.

Khawaja turns 39 on Thursday, Day 2 of the third Ashes Test at Adelaide Oval.

The left-hander, who suffered debilitating back spasms during the series…