Otago beat Southland by a record 61 points to 7 in Dunedin in yesterday evening's provincial rugby clash before Manawatu overcame North Harbour 31-17 in Palmerston North.
Otago hammered a mistake-ridden Southland side with the winning margin the widest in 239 clashes between the two teams bettering the 60-10 win Otago had in 1998.
The win leaves Otago fourth in the second tier Championship competiton with Southland fifth, four points back.
Top tier Premiership strugglers Manawatu then beat Championship battlers North Harbour.
Despite the win the Turbos remain rooted to the bottom of the Premiership table, while North Harbour are second to last in the Championship standings.