"They are touted to be champions and have had the measure of us for the last couple of years," said Kirwan. "We know it's going to be a huge game for us. It always is."
Blues team to play the Chiefs at QBE Stadium on Saturday, kick-off 7.35pm is: Lolagi Visinia, Charles Piutau, George Moala or Hamish Northcott, Francis Saili, Tevita Li, Ihaia West, Jimmy Cowan, Jerome Kaino (c), Brendon O'Connor, Steven Luatua, Hayden Triggs, Josh Bekhuis, Angus Ta'avao, James Parsons, Tony Woodcock. Reserves: Matt Moulds, Ofa Tu'ungafasi, Charlie Faumuina, Akira Ioane, Luke Braid, Jamison Gibson-Park, Simon Hickey, Hamish Northcott or Ben Lam.
Chiefs: Tom Marshall, Tim Nanai-Williams, Charlie Ngatai, Sonny Bill Williams, James Lowe, Damian McKenzie, Brad Weber, Maama Vaipulu, Sam Cane, Johan Bardoul, Michael Fitzgerald, Matt Symons (c), Ben Tameifuna, Hika Elliot, Pauliasi Manu. Reserves: Rhys Marshall, Jamie Mackintosh, Siate Tokolahi, Michael Allardice, Tevita Koloamatangi, Augustine Pulu, Marty McKenzie, Bryce Heem.