ɹˈæmaɪɚz stˈɑːɹɾᵻd hɪz kɚɹˈɪɹ ɪn nˈaɪntiːnhˈʌndɹɪd nˈaɪnti wˈʌn wɪð kˈoʊloʊkˈoʊloʊ, wˌɛɹ hiː wʌz pˈɑːɹt ʌv tˈuː lˈiːɡ tʃˈæmpiənʃˌɪp wˈɪnɪŋ kæmpˈeɪnz ɪn nˈaɪntiːnhˈʌndɹɪd nˈaɪnti wˈʌn ænd nˈaɪntiːnhˈʌndɹɪd nˈaɪnti θɹˈiː.
Ramírez started his career in 1991 with Colo-Colo, where he was part of two league championship winning campaigns in 1991 and 1993.