Newcastle have been dealt a blow with leading A-League marksman Roy O'Donovan ruled out for three to four weeks with a groin injury.
Goalkeeper Jack Duncan is also out of second-placed Newcastle's home match on Thursday night against Melbourne Victory.
Irish striker Donovan, who has scored seven times in his first season with the Jets, had been a late withdrawal from Saturday's away loss to Sydney.
Scans have revealed he has a grade-one tear to his adductor.
"He will miss at least the next two games...