Club Atlético San Lorenzo de Almagro (Torneo Apertura): every transfer in and out, fees paid and earned, squad market value, €28m spent and €80m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-03-10 | Rodrigo Auzmendi | Banfield | San Lorenzo | Loan |
| 2026-02-03 | Elías Báez | San Lorenzo | Atlanta | €2.5m |
| 2026-01-27 | Mathías De Ritis | Peñarol | San Lorenzo | Free |
| 2026-01-27 | Luciano Vietto | Racing Club | San Lorenzo | Free |
| 2026-01-27 | Guzmán Corujo | Deportivo Cali | San Lorenzo | Free |
| 2026-01-27 | Gonzalo Abrego | Godoy Cruz | San Lorenzo | Loan |
| 2026-01-26 | Mauricio Cardillo | Ind. Rivadavia | San Lorenzo | Free |
| 2026-01-26 | Gregorio Rodríguez | FBC Melgar | San Lorenzo | Loan |
| 2026-01-14 | Tomás Silva | San Lorenzo | Platense | €340k |
| 2026-01-01 | Teo Rodríguez Pagano | San Lorenzo II | San Lorenzo | — |
| 2026-01-01 | Matías Hernández | San Lorenzo II | San Lorenzo | — |
| 2026-01-01 | Mateo Clemente | San Lorenzo II | San Lorenzo | — |
| 2026-01-01 | Lautaro Montenegro | San Lorenzo II | San Lorenzo | — |
| 2025-08-01 | Jeremias James | Club Atlético San Lorenzo de Almagro | Magallanes | Loan |
| 2025-07-23 | José Devecchi | San Lorenzo | Sarmiento Junin | Loan |
| 2025-07-15 | Alexis Sabella | Club Atlético San Lorenzo de Almagro | Magallanes | Free |
| 2025-07-01 | Ignacio Perruzzi | San Lorenzo II | San Lorenzo | — |
| 2025-07-01 | Facundo Gulli | San Lorenzo II | San Lorenzo | — |
| 2025-07-01 | Branco Salinardi | San Lorenzo II | San Lorenzo | — |
| 2025-06-10 | Malcom Braida | San Lorenzo | Boca Juniors | €1.6m |