ˈɛsteɪ hɐz ɐ lˈɔŋtˈɜːm klˈoʊs fɹˈɛndʃɪp wɪððə fˈɔːɹmɚ fˈɛloʊ fˈʊtbɔːlɚɹ ɪvˈɑːn zˌæmoːɹˈɑːnoʊ, wˌʌt ˌɪntɚɹˈʌptᵻd fɹʌm tˈuː θˈaʊzənd wˈʌn tə tˈuː θˈaʊzənd sˈɛvən dˈuː tə ðə fˈækt ðæt ˈɛsteɪ stˈeɪɾᵻd ðæt zˌæmoːɹˈɑːnoʊ dˈɪdnt səpˈoːɹt hˌɪm wɛn hiː wʌz ˈaɪsəlˌeɪɾᵻd fɹʌmðɪ æmˈeɪɹɪkə fˈɜːst tˈiːm baɪ ðə klˈʌb lˈiːdɚz.
Estay has a long-term close friendship with the former fellow footballer Iván Zamorano, what interrupted from 2001 to 2007 due to the fact that Estay stated that Zamorano didn't support him when he was isolated from the América first team by the club leaders.