The Blues have flipped the Super Rugby title race on its head with a stunning 20-19 win over the Chiefs in their playoff in Hamilton.

The sixth seed have stolen victory after replacement lock Josh Beehre stretched out to score with time up on the clock.

The result means the Blues face the Crusaders in Christchurch in next weekend's semi-final, while the Chiefs host the Brumbies, after the Australian side held off the Hurricanes 35-28 in Canberra. 

Blues assistant coach Greg Feek joined Piney to discuss.

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