| 01.09.19 | FC Juárez [U20] | - | CF Monterrey [U20] | 0:4 | |||||
| 15.02.20 | CF Monterrey [U20] | - | FC Juárez [U20] | 4:0 |  |
||||
| 21.09.21 | FC Juárez [U20] | - | Atlético San Luis [U20] | 1:2 |
| 01.09.19 | FC Juárez [U20] | - | CF Monterrey [U20] | 0:4 | |||||
| 15.02.20 | CF Monterrey [U20] | - | FC Juárez [U20] | 4:0 | |
||||
| 21.09.21 | FC Juárez [U20] | - | Atlético San Luis [U20] | 1:2 |
| William Sergio Mejía Castillo | |
| geboren in: | 21.04.1999 |
| geboren te: |
Monterrey, 
Mexico |
| nationaliteit: |
Mexico
|
| Lengte: | 183 cm |
| Gewicht: | 84 kg |
| Positie(s): | Verdedigende middenvelder Centrale middenvelder |
| Sterke been: | rechts |