| 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 | 13 | 1080 | 0 | 0 | 0 | 6.67 |
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 2026-08-14
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 13 Liga De Futbol Prof appearances in 2026 (1,080 minutes). His average match rating for that season computes to 6.67.
2023 stands as his highest-rated season (6.97, Liga De Futbol Prof), with 2025 the weakest (6.6). His last two rated seasons average 0.33 below his earlier career level.
