McDonald is considering placing Sam Konstas in the vacant opener's position against India if the coaching staff believes he fits into their best XI.
"I think all roads will lead to Mitch, so just got to get that ticked off in certain areas," said McDonald.
"Players take the game forward every day, and the game is better today than it was yesterday," the coach said.
Australia struggled to score runs at the top of the order during the 2019 Ashes series, with Warner dismissed by Stuart Broad seven times and finishing with an average 9.50.
McDonald is considering placing Sam Konstas in the vacant opener's position against India if the coaching staff believes he fits into their best XI.
"I think all roads will lead to Mitch, so just got to get that ticked off in certain areas," said McDonald.
"Players take the game forward every day, and the game is better today than it was yesterday," the coach said.
Australia struggled to score runs at the top of the order during the 2019 Ashes series, with Warner dismissed by Stuart Broad seven times and finishing with an average 9.50.
