Scarlets and Connacht, both coached by New Zealanders, are sitting atop the Guinness PRO12 table after round five over the weekend.
A second half try to former Steelers midfielder Bundee Aki helped Connacht to a 21-16 win at Brendon Leonard's Ospreys. Former Auckland and Blues coach Pat Lam is at the helm of Connacht, and they lie second to Scarlets on points difference.
The Welsh side is coached by former Auckland, Northland and North Harbour coach Wayne Pivac, and they edged Munster 25-22, with Hadleigh Parkes on the wing and Regan King at centre.
Elsewhere, a try to former Blues No 8 Nick Williams guided Ulster to a 24-17 win over Cardiff Blues. Former Steelers openside flanker wore the No 7 jersey for Ulster.
Boris Stankovich's Dragons beat Treviso 19-12. Fullback Jayden Hayward kicked 12 points for the Italian club, while Chris Smylie, Dean Budd and former Blues and Manu Samoa lock Filo Paulo cane off the pine.