Former Floriana striker Andre Grabowski bagged a brace for the Southseasiders with Rupert Mangion scoring the other goal. Alfred Effiong and Simon Shead replied for the Maroons.
In another match, Lija Athletic defeated another newly-promoted side, Gudja United, 2-1.
On Sunday, Pietà Hotspurs take on Dingli Swallows while Naxxar Lions face Vittoriosa Stars.
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