But he will definitely be without Tommy Bowe and Jared Payne in Friday's GUINNESS PRO12 clash against Cardiff Blues.
Bowe had his knee scanned on Monday and faces a lengthy spell on the sidelines while Payne's broken foot required surgery that could keep him out for two months.
And Doak admits those who are not injured cannot return soon enough.
"I hope it's not as long as three weeks," he said. "I know it's a long time they've been away from us and, like us all, they'll be disappointed with the way things finished but we've got games to win and we need to integrate our players as quickly as possible.
"These games are going to be coming thick and fast. With the injury profile, we've played just four games.
"When we get into a run of ten or 12 weeks, who knows what the profile could be at that stage. We don't want to leave it too late because we obviously need to know what's coming back and when they're going to come back."
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