Namosi defeated Nadroga 19-18 in the 2016 Skipper Cup competition this afternoon.
Namosi wing Timoci Sinate had a notable performance in the match, crossing for a try in each half.
Nadroga led 11-7 at halftime after two penalties and a try.
They only managed to score a try in the second half.
Fullback Aporosa Gavidi and Sinate scored for Namosi in the second half.
This is the fourth win for Namosi this season while Nadroga get their second defeat after losing to Naitasiri 28-22 in the first round.
Namosi Team Manager Tui Saladoka says the win will get their campaign back on track after their loss to Naitasiri in round four.
In other results, Naitasiri beat Tavua 34-17, Macuata and Vatukoula drew 8-all, Northland defeated Tailevu 36-13 and Suva beat Lautoka 30-12.
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