Ajouts
| De | Nom | Pos | Équipe | Équipe | ||
|---|---|---|---|---|---|---|
| 01/2026 |  | Milo Duchoud | G |  | FC Sion U19 | FC Sion U19 |
| 07/2025 | | Soane Fort | G |  | Team Valais/Wallis-Sion U15 | U15 |
| 07/2025 | | Danilo Giannone | G | | Team Valais/Wallis-Sion U15 | U15 |
| 07/2025 | | Malik Choulak | D |  | FC Sion U16 | U16 |
| 07/2025 | | Lucas Cordeiro | D | | FC Sion U16 | U16 |
| 07/2025 | | Marco Dos Santos | D | | FC Sion U16 | U16 |
| 07/2025 | | Albert Kähler Rohde | D | | FC Sion U16 | U16 |
| 07/2025 | | Hadi Khedim | D | | FC Sion U16 | U16 |
| 07/2025 | | Arnaud Premand | D | | FC Sion U16 | U16 |
| 07/2025 | | Luca Farquet | M | | FC Sion U16 | U16 |
| 07/2025 | | Edison Kokollari | M | | FC Sion U16 | U16 |
| 07/2025 | | Nathan Mathey | M | | FC Sion U16 | U16 |
| 07/2025 | | Lionel Métrailler | M | | FC Sion U16 | U16 |
| 07/2025 | | Hannes Schnyder | M | | FC Sion U16 | U16 |
| 07/2025 | | Romain Vultagio | M | | FC Sion U16 | U16 |
| 07/2025 | | Halbine Waso | M | | FC Sion U16 | U16 |
| 07/2025 | | Evan Berdayes | A | | FC Sion U16 | U16 |
| 07/2025 |  | Leon Haliti | A | | FC Sion U16 | U16 |
| 07/2025 | | Sandro Jean | A | | FC Sion U16 | U16 |
| 07/2025 | | Gian Luggen | A | | FC Sion U16 | U16 |
| 07/2025 | | Adrien Tschopp | A | | FC Sion U16 | U16 |
| 07/2025 | | Christophe Moulin | E | | FC Sion U16 | U16 |
Aliénations
| De | Nom | Pos | Équipe | Équipe | ||
|---|---|---|---|---|---|---|
| 07/2025 | | Aurélien Cettou | G | | FC Sion U19 | FC Sion U19 |
| 07/2025 | | Milo Duchoud | G | | FC Sion U19 | FC Sion U19 |
| 07/2025 | | Lionel Fux | G | | FC Sion U19 | FC Sion U19 |
| 07/2025 | | Bruno Martins | G | | FC Sion U19 | FC Sion U19 |
| 07/2025 | | Gabriel Santos | G | | FC Sion U19 | FC Sion U19 |
| 07/2025 |  | Abel Frank | D | | FC Sion U19 | FC Sion U19 |
| 07/2025 | | Damien Möschinger | D | | FC Sion U19 | FC Sion U19 |
| 07/2025 | | Giulian Sarni | D | | FC Sion U19 | FC Sion U19 |
| 07/2025 | | Edison Berisha | M | | FC Sion U19 | FC Sion U19 |
| 07/2025 | | Dany Bregy | M | | FC Sion U19 | FC Sion U19 |
| 07/2025 | | Tom Crépaud | M | | FC Sion U19 | FC Sion U19 |
| 07/2025 | | Adrien Friolet | M | | FC Sion U19 | FC Sion U19 |
| 07/2025 | | Louis Gabbud | M | | FC Sion U19 | FC Sion U19 |
| 07/2025 | | Leonardo Martins | M | | FC Sion U19 | FC Sion U19 |
| 07/2025 | | Jérémy Fontannaz | A | | FC Sion U19 | FC Sion U19 |
| 07/2025 | | Prodig Masuki Mavinga | A |  | FC Lausanne-Sport U17 | Lausanne-Sport U17 |
| 07/2025 | | Laurant Thaqi | A | | FC Sion U19 | FC Sion U19 |
| 07/2025 | | Cédric Strahm | E |  | FC Monthey | FC Monthey |