Marnus Labuschagne says Australia's opening partnership is making the rest of the batting order better as selectors deliberate the Test future of top-order veteran Usman Khawaja.
The back injury that scuppered Khawaja in the first Ashes Test also ruled the 38-year-old opener out of the big win in the second at the Gabba, where Australia took a 2-0 series lead.
