The return of experienced first five-eighth Glenn Dickson from the United Kingdom gave confidence to Pirates that caused the upset of the day when they beat Southern 17-13 in Dunedin club rugby today.
It was Southern's first loss of the season and means that University A is the only unbeaten team in the competition.
The other surprise was the win by Kaikorai over Harbour 20-7.
Dunedin won the match of the day when it narrowly beat Alhambra-Union 20-17.
The points after four rounds are: University A 19, Southern 15, Pirates 13, Kaikorai 12, Taieri 11, Harbour 10, Dunedin 8, Alhambra-Union 7, Zingari-Richmond, Green Island 0.
TAIERI...................................42
GREEN ISLAND......................10
Taieri 42 (Mike Kerr, Todd Ford, Tom Davie 2, Jack Stewart, Dean Collins, Charlie Harrex tries; Stewart conversion, penalty goal, Blake Korteweg conversion), Green Island 10 (Andre Clarke try; Chris O'Neill conversion, Shane McNoe penalty goal). Halftime: Taieri 25-3.
Referee: Tim Baker.
KAIKORAI...................................20
HARBOUR.....................................7
Kaikorai 20 (Tomasi Palu, Kensak Palepoi. Jamie Williams tries; Cam Rutherford conversion, penalty goal), Harbour 7 (Siaosi Folau try; Craig Sneddon conversion). Halftime: Kaikorai 8-7.
Referee: Doug Rodgers.
DUNEDIN................................20
ALHAMBRA-UNION.............. 17
Dunedin 20 (Rawiri Tapiata, Robbie Smith, Simon Luke tries; Shaan Davis conversion, penalty goal), Alhambra-Union 17 (Scott Stevens, Brad Rapley tries; Luke Reihana 2 conversions, penalty goal). Halftime: Dunedin 12-7.
Referee: Liam Scanlon.
UNIVERSITY A.....................................85
ZINGARI-RICHMOND.............................14
University A 85 (Hoani Matenga (3), Simon Forrest (2), Chris Noakes (2), Brad Cameron, Nick Grant, Ryan Grant, Phil Young, Peter Butterworth, Logan Collins tries; Chris Noakes 10 conversions), Zingari Richmond 14 (Stephen Bird, Steve Roberts tries; Ben Bradley 2 conversions). Halftime: University A 50-nil.
Referee: Todd Pullar.