The Southern forward pack took control in the final 20 minutes to grind out a 21-13 victory over Pirates at Bathgate Park.
Southern adapted better to the wet and muddy conditions and played bull rush-style rugby to comfortably beat Harbour at Watson Park.
Hayden Parker and Ben Nowell ignited a dominant display from the backline for Taieri to record a convincing victory at Bathgate Park.
A late try by reserve hooker Johnny Mason gave Southern a narrow win over Alhambra-Union at the North Ground.
Dunedin gave a clinical display of power and precision rugby to beat Southern 37-15 at Bathgate Park to win the Ron Reggett Memorial Trophy.
Southern started slowly but played superb rugby in the remaining 60 minutes to beat Zingari-Richmond in cold conditions at Montecillo.
A performance straight off the top shelf from the Green Island forward pack set up a memorable victory in the Speight's Challenge Shield match at Bathgate Park.
Southern centre Apelu Alapati's try in the 70th minute helped Southern retain the Jack Hore Memorial Trophy, and bank a valuable bonus point, when it defeated Pirates at Hancock Park.
Southern fullback Joe Hill used his express speed to break the hearts of Harbour supporters and help the Magpies retain the Speight's Challenge Shield at Bathgate Park.
Nick Jones was in dynamic form and his hat trick of first-half tries turned the game at the University Oval in Southern's favour.
Zingari-Richmond won a few battles but lost the war as Southern held on to a home-ground advantage to clinch a hard-fought 34-27 victory.
Andrew Stead, who made a big impact at No 8 for Southern this season, was last night named the Dunedin club player of the year.
Southern took complete control in the second spell when it scored 27 unanswered points to beat Alhambra-Union at Bathgate Park.
Southern extended its unbeaten streak with a scratchy win against Green Island at Bathgate Park.
Southern demonstrated its depth when it scored three tries in the first 15 minutes to stamp its authority on the game at Watson Park.
Southern went on the rampage to score 10 tries to beat Zingari-Richmond 64-0 at Bathgate Park.
No 8 Andrew Stead was in dominant form and scored two of the six tries when Southern beat Dunedin 36-17 at Bathgate Park.
The accurate goal kicking of first five-eighth Tony Fenner made the difference when Southern beat Alhambra-Union at the North Ground.
Replacement wing Tony Fenner made the difference when he came on in the second spell and kicked four penalties for Southern in atrocious underfoot conditions at Bathgate Park.
It was one-way traffic in the second spell as Southern put the foot down to thump University A 70-3 at Bathgate Park.