Old Boys Marist, Otamatea and Hikurangi all claimed upset victories in their matches, spicing up the Bayleys Southern Districts Premier Competition as a result.
Old Boys Marist surprisingly played Kamo off the park as they easily won 37-17 in scorching conditions in Kamo.
For the visitors, Saturday's match was essentially a must-win as Old Boys Marist sat second to last on the table.
Now, the recently-merged club sits third from the bottom with two wins and a draw to have a total of 12 points - eight points off fourth.
Meanwhile Otamatea upset the defending champions 41-39 in Kaiwaka, handing Mid Northern their fourth loss of the season.
However, while it can be seen as an upset Otamatea have had a great start to the season as they now have five wins and sit third on 25 points - five off top spot, which is held by Hora Hora.
In Hikurangi, Waipu let a win slip by as they had the chance to secure a strong start to the season but lost 25-23.
Had Waipu won, they would be sitting inside the top four by one point.
In other results, Hora Hora comfortably saw off the Western Sharks challenge to win 51-21 and Wellsford came out on top in a tight match with Mid Western, winning 29-27.
Southern Districts Premier
Hikurangi 25 Waipu 23
Old Boys-Marist 37 Kamo 17
Otamatea 41 Mid Northern 39
Wellsford 29 Mid Western 27
Hora Hora 51 Western Sharks 21
Southern Districts Premier Reserve
Hikurangi 59 Waipu 0
Old Boys Marist 44 Kamo 14
Mid Northern 27 Otamatea 0
Wellsford 21 Mid Western 15
Western Sharks 53 Hora Hora 17