Guardianes 2020 Liga MX championship stage
The Torneo Guardianes 2020 Liga MX final phase was played between 21 November 2020 to 13 December 2020. A total of 12 teams competed in the final phase to decide the champions of the Guardianes 2020 Liga MX season. For the first time since the Clausura 2008 season, an additional qualifying round, the reclassification or repechaje, was employed, expanding the number of playoff spots from eight to 12.
Due to the COVID-19 pandemic in Mexico, all matches of the final phase, except for the first leg of the [|quarter-final] between Guadalajara and América, were played behind closed doors.
Both finalists qualified to the 2022 CONCACAF Champions League.
Qualified teams
The following teams qualified for the championship stage.In the following tables, the number of appearances, last appearance, and previous best result count only those in the short tournament era starting from Invierno 1996.
| Seed | Team | Points | Date of qualification | Appearance | Last appearance | Previous best | Ref. |
| 1 | León | 40 | 2 October 2020 | 12th | Apertura 2019 | Champions | |
| 2 | UNAM | 32 | 17 October 2020 | 23rd | Apertura 2018 | Champions | |
| 3 | América | 32 | 17 October 2020 | 34th | Apertura 2019 | Champions | |
| 4 | Cruz Azul | 29 | 16 October 2020 | 29th | Clausura 2019 | Champions |
| Seed | Team | Points | Date of qualification | Appearance | Last appearance | Previous best | Ref. |
| 5 | Monterrey | 29 | 24 October 2020 | 24th | Apertura 2019 | Champions | |
| 6 | UANL | 28 | 17 October 2020 | 26th | Apertura 2019 | Champions | |
| 7 | Guadalajara | 26 | 25 October 2020 | 26th | Clausura 2017 | Champions | |
| 8 | Santos Laguna | 25 | 25 October 2020 | 31st | Apertura 2019 | Champions | |
| 9 | Pachuca | 25 | 25 October 2020 | 22nd | Clausura 2019 | Champions | |
| 10 | Necaxa | 24 | 30 October 2020 | 18th | Apertura 2019 | Champions | |
| 11 | Toluca | 21 | 6 November 2020 | 33rd | Apertura 2018 | Champions | |
| 12 | Puebla | 20 | 6 November 2020 | 8th | Apertura 2015 | Semifinals |
Format
Reclassification
- All games were played in a single-leg hosted by the higher seed
- If a game ended in a draw, it proceeded directly to a penalty shoot-out.
Liguilla
- Teams were re-seeded each round.
- The winners of the Reclassification matches were seeded based on their ranking in the classification table.
- Team with more goals on aggregate after two matches advanced.
- Away goals rule was applied in the quarter-finals and semi-finals, but not the final.
- In the quarter-finals and semi-finals, if the two teams were tied on aggregate and away goals, the higher seeded team advanced.
- In the final, if the two teams were tied after both legs, the match went to extra time and, if necessary, a shoot-out.
- Both finalists qualified to the 2022 CONCACAF Champions League.
Reclassification
Summary
Matches took place on 21–22 November 2020.Matches
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Seeding
The following was the final seeding for the final phase. The winners of the Reclassification matches were seeded based on their position in the classification table.Bracket
Quarter-finals
Summary
The first legs were played on 25–26 November, and the second legs were played on 28–29 November.First leg
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Second leg
León won 3–2 on aggregate.----
Guadalajara won 3–1 on aggregate.
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UNAM won 1–0 on aggregate.
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''Cruz Azul won 3–2 on aggregate.''
Semi-finals
Summary
The first legs were played on 2–3 December, and the second legs were played on 5–6 December.First leg
----Second leg
León won 2–1 on aggregate.----
''4–4 on aggregate and tied on away goals. UNAM advanced due to being the higher seed in the classification table.''
Finals
Second leg
''León won 3–1 on aggregate.''Statistics
Assists
;2 assists;1 assist