nˈɪkneɪmd "ɡwɑːtˈɑːn" ɔːɹ "tˈoʊbaɪ", dˈuː tə hɪz ɹᵻzˈɛmbləns tə ðə kˈæɹɪktɚɹ ʌvðə həmˈɑːnɪməs tʃˈɪldɹənz kˈɑːmɪk tˈoʊbi ænd hɪz fɹˈɛndz, ænd ðə tʃɪlˈiːən mˌæɹɐdˈoʊnə fɔːɹ hɪz sˌɪmɪlˈæɹᵻɾi ɪn fˈʊtbɔːl ɔnðə fˈiːld, vˈiːɡə ˈɔːlsoʊ plˈeɪd ɪn kˈoʊloʊkˈoʊloʊ, sˌæntɪˈɑːɡoʊ wˈɔndɚɹɚz, lˌɔɡɹənjˈeɪz fɹʌm spˈeɪn, mˈɛtɹoʊ stˈɑːɹz fɹʌmðə juːnˈaɪɾᵻd stˈeɪts ænd ɹˈeɪsɪŋ klˈʌb ɪn ˌɑːɹdʒəntˈiːnə, hiː ˈɔːlsoʊ plˈeɪd æt ʃənsiˈɑːnoʊ fɹʌm pɚɹˈuː, ɪn ɐdˈɪʃən tʊ ɐnˈʌðɚ stˈɪnt æt ɹˈiːdʒənəl ˌæɾɐkˈɑːmə ænd jˌuːnɪˈɑːn ɛspɐnjˈoʊlə.
Nicknamed "Guatón" or "Tobi", due to his resemblance to the character of the homonymous children's comic (Toby and his friends), and the Chilean Maradona for his similarity in football on the field, Vega also played in Colo-Colo, Santiago Wanderers, Logroñés from Spain, MetroStars from the United States and Racing Club in Argentina, he also played at Cienciano from Peru, in addition to another stint at Regional Atacama and Unión Española.