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The Blues will have to find a new captain and lock with Patrick Tuipulotu heading for a sabbatical in 2022.
Hore said the club supported Tuipulotu’s plan to play in Japan.
“It will be a tremendous experience for him. We recognise that the recompense to play overseas is significant and a key opportunity for Patrick and his family,” he said.
“As we did with Beauden [Barrett] this year, we will plan for it, fill the gap as best we can, and look forward to his return in 2023 for a further three years.
“Patrick is a cornerstone of our playing group and I am sure the boys will want to do the job for him while he is away.”