2018–19 JLT One-Day Cup

The following squads were named:[4] New South Wales captain Peter Nevill was ruled out of the tournament after suffering a broken thumb while batting in the nets at the WACA Ground prior to the start of the Blues' campaign.

[5] Tasmanian all-rounder James Faulkner sustained a calf injury whilst playing for Lancashire Lightning in the semi-final of England's domestic T20 competition.

[5] South Australia's Daniel Worrall sustained a back injury and was replaced by allrounder Luke Robins in the squad prior to the tournament.

[5] Simon Mackin, Will Bosisto and Sam Whiteman were added to the Western Australian squad after D'Arcy Short, Marcus Stoinis and Matt Kelly were ruled out for the start of the tournament through injury.

[7] Chris Green and Ben Dwarshuis were added to the New South Wales squad in place of Jason Sangha and Trent Copeland prior to their clash with Tasmania, to allow the latter two to play Grade Cricket.