Coach Tana Umaga said Pulu, along with previous captains Jerome Kaino and James Parsons, form part of the senior leadership group.
"Both James and Jerome are sidelined for some time from surgeries and I wanted our captain to take the reins on the paddock from day one of training.
"Of course both James and Jerome will continue to play invaluable leadership roles in this team and will be key contributors in all aspects.
"Augie has proven captaincy experience in the Mitre-10 Cup and will add a fresh spark to the team."
