San Martín U20: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2019-01-01 | Mathías Llontop | San Martín U20 | U San Martín II | — |
| 2018-07-01 | Alfonso Barco | San Martín U20 | C. Vallejo II | — |
| 2016-01-01 | Jairo Concha | San Martín U20 | U San Martín II | — |
| 2015-01-01 | Emile Franco | San Martín U20 | SC Villa Jogoo | — |
| 2013-01-01 | Renzo Garcés | San Martín U20 | U San Martín II | — |