Mosta signed goalkeeper Jeffrey Farrugia from First Division side Dingli Swallows.
A product of Siggiewi, Farrugia played Premier League football with Dingli in season 2009/10.
Meanwhile Firas Aboulezz joined Balzan from Mosta.
Aboulezz started his career with Attard, joining San Gwann in Division 1 in season 2008/09. In January 2011, he moved to Mosta on loan, making a permanent transfer the following summer.
Jeffrey Farrugia will be making his debut for Mosta in the BOV Premier League clash with Birkirkara on Saturday while Firas Aboulezz should make his first appearance for Balzan in the game against Rabat Ajax on Sunday.