The Bay of Plenty Men's Sevens team will wear black armbands in tribute to Jonah Lomu at their big match in Auckland this weekend.
Head coach Peter Woods, who played international sevens with Lomu, said he was shocked at his old friend's passing and the news was "very sad".
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"It's a bit hard to take it all in at the moment. All the memories will be flooding back," Mr Woods said.
"Obviously he needed another transplant but I'm shocked."