[2] 18 June saw Deportivo Morón sign Francisco Oliver, six days prior to Patricio Boolsen arriving from Racing Club to become Santamarina's first reinforcement.
[5] Three transactions were announced on 1 July, with Lucas Kruspzky (Aldosivi) and Fernando Piñero (Central Córdoba) signing while Leonardo Morales headed to Gimnasia y Esgrima (LP).
[8][9] Gustavo Iturra (Racing Club) and Joaquín Papaleo (Unión Santa Fe) loans were communicated on 7 July, as the latter joined for a third stint.
[10][11] In the week leading up to their first exhibition, Adrián Scifo and Marcelo Guzmán joined the club while Agustín Politano left.
[12][13][14] Santamarina's first pre-season opponents were Círculo Deportivo, who they fought and beat by two goals in Comandante Nicanor Otamendi on 17 July.