ˈæftɚɹ ɐ fˈɜːstplˈeɪs fˈɪnɪʃ ɪnðə ɡˈɑːɹdiənz tˈuː θˈaʊzənd twˈɛnti dʒˈɛnɚɹəl tˈeɪbəl, ˌɔn θˈɜːtiːn dᵻsˈɛmbɚ, lɛˈɑːn wˈʌn ðə lˈiːɡ tˈaɪɾəl dᵻfˈiːɾɪŋ klˈʌb jˈuːnɪvɚsˌɪdæd nˈæʃənəl wɪð ɐn ˈæɡɹɪɡˌeɪt skˈoːɹ ʌv θɹˈiː wˈʌn, bᵻkˈʌmɪŋ mˈɛksɪkˌoʊz dʒˈɔɪnt fˈoːɹθ mˈoʊst səksˈɛsfəl tˈiːm wɪð ˈeɪt tˈaɪɾəlz ɪn tˈoʊɾəl ɐlˈɔŋsaɪd kɹˈuːz æzˈuːl.
After a first-place finish in the Guardianes 2020 general table, on 13 December, León won the league title defeating Club Universidad Nacional with an aggregate score of 3–1, becoming Mexico's joint fourth most successful team with eight titles in total alongside Cruz Azul.