By CAM STEPHENS

Disbelief enveloped Orangetheory stadium as the Chiefs opened the season by stunning the Crusaders 31-10 to hand them their fifth-biggest home loss in tournament history.
The Crusaders started brightest, jumping out to a 10-point lead with Richie Mo’unga’s dropgoal preceding David Havili’s patiently-built try ten minutes later.
However, from that point onwards, it was all Chiefs.
A rare Brodie Retallick try before half-time jumpstarted the comeback before scores from Sam Cane, Alex Nankivell, and Cortez Ratima rounded off 31 straight points for Clayton McMillan’s side, maki...