Flanker Gareth Evans crashed over for a late try and fullback Liam Edwards converted when Dunedin beat University A 19-18.
Taieri hung on desperately to beat Zingari-Richmond 11-10.
Southern scored five tries when it beat Alhanbra-Union 44-38.
Green Island gained its first win of the season when it beat Pirates 33-15.
Taieri leads the Speight's Mug competition with 27 points and is followed by Dunedin 25, Southern 24, Alhambra-Union 20, Kaikorai 15, University 11, Zingari-Richmond 8, Harbour 7, Pirates 6, Green Island 5.
DUNEDIN.............................19
UNIVERSITY A......................18
Dunedin 19 (Gareth Evans try; Liam Edwards con, 4 pen), University A 18 (Matt Faddes, Sam McLachlan, Nick Annear tries; Stephen Fenemore pen). Halftime: University 15-6.
Referee: Gareth Reed.
GREEN ISLAND..........................33
PIRATES.....................................15
Green Island 33 (Telusa Veainu, Dean Moeahu, Tala Moli tries; Joe Bartlett 3 con, 4 pen), Pirates 15 (Paul Miller, Shaun McCarroll tries; Louis Tili con, pen). Halftime: Green Island 16-5.
Referee: Mike Smaill.
TAIERI............................... 11
ZINGARI-RICHMOND..... 10
Taieri 11 (Nathan Young try, Andrew Reid 2 pen), Zingari-Richmon 10 (Shota Horie, Chris Bell tries). Halftime: 11-nil Taieri.
Referee: Hamish Davies.
KAIKORAI.............................25
HARBOUR............................23
Kaikorai 25 (Tony Ensor try; Cam Rutherford con, 6 pen), Harbour 23 (George Folau, Johnny Legg, Hale T-Pole tries; Ollie Cuthill con, 2 pen). Halftime: Harbour 11-9.
Referee: Jeff Grubb.
SOUTHERN..................................44
ALHAMBRA-UNIION....................38
Southern 44 (Joe Hill 2, Simon Knight 2, Johnny Mason tries; Ben Patston 4 con, 2 pen), Alhambra-Union 38 (Tili Puloka, Matt Dalley, Ben Pereira 2, Tom Dougherty tries; Peter Breen 2 con, 3 pen). Halftime: Southern 22-14.
Referee: Rob Wells.
