The Southland Development programme provides an opportunity for SIT ZeroFees Southland Stags squad members and fringe provincial players to continue playing rugby into the representative season. In 2019, the Southland B side won the South Island B competition before COVID-19 saw the campaign limited to a home and away fixture with Otago Development in 2020 and 2021.

Southland B 2021 Results

vs Otago Development at Oreti Park (19-10 win)

vs Otago Development at Logan Park, Dunedin (43-21 loss)​​​​​​​