| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2012 | Division 1 | 8 | 651 | 0 | 0 | 0 | — |
| 2012 | Division 1: Clausura | 1 | — | 0 | 0 | — | — |
| 2017 | Division 1 | 31 | 2700 | 2 | 0 | 0.07 | — |
| 2017 | Division 1: Clausura | 19 | 1710 | 0 | 0 | 0 | — |
| 2018 | Division 1 | 17 | 1525 | 0 | 0 | 0 | — |
| 2018 | Division 1: Clausura | 19 | 1705 | 0 | 0 | 0 | — |
| 2019 | Division 1 | 42 | 3727 | 2 | 3 | 0.12 | — |
| 2020 | Division 1 | 28 | 2370 | 2 | 0 | 0.08 | — |
| 2021 | Division 1 | 15 | 1350 | 0 | 0 | 0 | — |
| 2021/2022 | Liga Nacional | 52 | 4665 | 0 | 0 | 0 | — |
| 2022 | Concacaf League | 4 | 360 | 1 | 0 | 0.25 | — |
| 2022/2023 | Liga Nacional | 46 | 3810 | 4 | 0 | 0.09 | — |
| 2023 | Liga De Futbol Prof | 17 | 1530 | 1 | 0 | 0.06 | 6.97 |
| 2024 | Liga De Futbol Prof | 34 | 2910 | 1 | 0 | 0.03 | 6.96 |
| 2025 | Liga De Futbol Prof | 29 | 2609 | 1 | 1 | 0.07 | 6.6 |
| 2026 | Liga De Futbol Prof | 9 | 720 | 0 | 0 | 0 | 6.5 |
Domestic league competitions only (SportMonks sub_type='domestic'); national-team, continental and cup competitions are excluded. Classification resolved by league id against the canonical leagues index. G+A/90 computed from minutes actually played.
Figures computed from the GioScore season-stats database · as of 2026-07-21
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Independiente Petrolero | 6 | 0 | 3 | 3 | 0 | 0 | 1 | 0 |
 Blooming | 5 | 3 | 1 | 1 | 0 | 0 | 2 | 0 |
 Aurora | 5 | 2 | 1 | 2 | 0 | 0 | 0 | 0 |
 Always Ready | 5 | 1 | 0 | 4 | 0 | 0 | 0 | 0 |
 Universitario de Vinto | 5 | 2 | 0 | 3 | 0 | 0 | 0 | 0 |
 Club Bolívar | 4 | 0 | 0 | 4 | 0 | 0 | 0 | 0 |
 Oriente Petrolero | 4 | 1 | 0 | 3 | 0 | 0 | 0 | 0 |
 Nacional Potosí | 4 | 2 | 1 | 1 | 0 | 0 | 0 | 0 |
 Santa Cruz | 4 | 1 | 1 | 2 | 0 | 0 | 0 | 0 |
 Real Tomayapo | 4 | 1 | 0 | 3 | 0 | 0 | 1 | 0 |
 Wilstermann | 3 | 2 | 0 | 1 | 0 | 1 | 0 | 0 |
 The Strongest | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
 Iztapa | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 |
 San Antonio Bulo Bulo | 3 | 0 | 0 | 3 | 1 | 0 | 0 | 0 |
 Gualberto Villarroel SJ | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
 Botafogo | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Comunicaciones | 2 | 0 | 1 | 1 | 0 | 0 | 1 | 0 |
 Santa Lucia | 2 | 2 | 0 | 0 | 0 | 0 | 2 | 0 |
 Solola | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Royal Pari | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
Neither a goal nor an assist came from Milciades Portillo's 9 Liga De Futbol Prof appearances in 2026 (720 minutes). His average match rating for that season computes to 6.5.
2023 stands as his highest-rated season (6.97, Liga De Futbol Prof), with 2026 the weakest (6.5). His last two rated seasons average 0.41 below his earlier career level.
