The equations for the final round of Super Rugby trans-Tasman are pretty clear, and it’s equally clear we have a race in three between the Blues, Highlanders and Crusaders to reach next Saturday’s final. For the Blues, it’s pretty simple: don’t choke, and they’re in. They’ve got more than 20 differential points on the Highlanders and more than 30 on the Crusaders. Seats don’t get any boxier than what the Blues currently occupy. Surely, they can’t bugger this up. The same applies to the Highlanders to be fair, albeit without the same history of disappointment and falling short as the Blues. It’s a bit different for the Crusaders, though. They can’t just win if the Blues and Highlanders win as well, they have to win big. They essentially have to hope one of the other two trip up, or hope that neither get a bonus point, at which point the Crusaders need to bring out the abacus. At the moment, they’d need to win by 12 points plus whatever the Highlanders happen to win by. The Hurricane...