There will be no community sport in NSW until Sunday at the earliest after regional areas were plunged into a seven-day lockdown on Saturday evening.

Round 18 was scheduled for this Saturday, bringing the home-and-away season to a conclusion, but talks are now being held to work out a Plan B.

The league has contacted clubs to find out if they'd be happy to play on Sunday, were restrictions to be lifted at 12:01am as planned.

"We're staying positive," Osborne coach Joel Mackie said.

"The league's already said they're pretty strong on getting a finals series away for us.

"It's like we've done over the previous 18 months; we've just got to ride it out, whether that's one or two weeks.

"We're pretty confident that a finals series is going to go ahead.

"It's not only us but you've got all the juniors and the netballers who want to play finals so there's a fair bit to get going.

"There's a lot of clubs involved and I'm sure they want to get their finals away as well."

Osborne, the minor premiers, recorded their 16^th consecutive win on Saturday while Brock-Burrum jumped to fourth with victory over Culcairn.

"Was that the last game for the year?" Saints coach Kade Stevens pondered.

"I don't know whether it's been put to the league but if lockdown finishes on Saturday night, is there a possibility for round 18 to happen on Sunday?

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"We want to keep playing footy so I'd be very open to it.

"But what happens if it ends up being another seven days? Do they push finals back? Do they make it the old-style Hume league top-four? And then you ask, is it a top-four over two weeks or is it a top-four over three weeks?

"You've got one v four and two v three, winner plays in a granny, or is it over three weeks, where one and two play for a double-chance and three and four play an elimination?

"They're all the things the Hume League are going to have to consider.

"The message I gave the boys was 'let's all assume we're playing footy next week, don't sit on the couch watching Netflix and thinking the season's over.'"

Two defeats to Osborne were the only blemishes on Holbrook's record and coach Matt Sharp desperately hopes their efforts don't go unrewarded.

"I fought hard to get a lot of guys to play football this year because they committed to pre-season last year and then it didn't go ahead," Sharp said.

"I really had to fight some guys who found other hobbies and interests outside of football and getting those guys to go around again, if we don't play for a premiership... We just don't want to finish with nothing."

Billabong Crows will finish second-bottom but assistant coach Josh Kleine didn't rule out playing their final game, against Murray Magpies, on Sunday.

"It would be pretty hard to organise everything at the last minute but we're happy to have a look at anything," he said.

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