New Zealand head coach Dave Rennie said he knew before a 54-0 tour victory over the Sharks in Durban on Tuesday that former All Black Ma'a Nonu would perform a solo Haka. After the All Blacks performed a traditional pre-match Haka, 44-year-old Sharks substitute Nonu stepped forward and delivered a response. "Ma'a came and saw our defence coach Tana Umaga last night and said he wanted to be respectful and queried about the right way to respond to the haka," Rennie told reporters. Double Rugby World Cup winner Nonu joined the Sharks as a mentor last month, but Springbok call-ups and injuries led Sharks coach JP Pietersen to include him among the substitutes. "We need to tidy up our discipline and we let the Sharks into our 22 in the first 10 minutes.