According to The Courier-Mail, Nikorima has reportedly been shopped to the Warriors, after they let go of Shaun Johnson last week.
Johnson went on to sign with Cronulla, and are now on the lookout for a new halfback, with Nikorima now a realistic replacement.
Brisbane could replace the Kiwi with Parramatta No.7 Mitchell Moses, although sources have told The Courier-Mail that deal won’t be taking place.
The 44-year-old is getting comfortable in his new rule, and needs to assess his squad before making any rash decisions.
“I’ll have a good look at where we’re at from a squad point of view,” Seibold told The Courier-Mail.
“This has all happened really fast. Less than 12 hours ago I was in Sydney.
“First and foremost, I wanted to get in front of the staff. Secondly, but more importantly, get in front of the playing group.
“They’ve got clarity and certainty now. I’ll go from there.”
Nikorima and Anthony Milford will need to battle it out for the Broncos’ halfback position next season, and Seibold will give them that change over the coming weeks.
“Both those players have shown glimpses of outstanding attacking football,” he added.
“I’ll get an opportunity over the coming weeks to look at the various weapons the individual players have got and try to come up with a game model that suits.
“There is certainly some attacking ability in those two guys.
“There is talent in the group, there’s no doubt about that. There is a young group here.
“In some ways there is an opportunity for young players to cement positions in the team. It looks as though there will be a lot of competition for spots amongst the group.
“As we progress I’ll get a good understanding of where the playing group is at, the weapons in the group and also the limiting factors.
“I need to assess that once I see the group work.”