kˈɜːɹəntli siːˈɛɹə hɐz fˈaʊnd hɪz wˈeɪ bˈæk tə jˌuːnɪˈɑːn ɛspɐnjˈoʊlə, mˌeɪkɪŋ ɐ stˈɑːp ɪn bᵻtwˌiːn tə plˈeɪ wɪð jˈuːænəl tˈaɪɡɚz ɪn mˈɛksɪkˌoʊ fɔːɹ wˈʌn sˈiːzən.
Currently Sierra has found his way back to Unión Española, making a stop in between to play with UANL Tigres in Mexico for one season.