Alvial has been credited for scouting top players as Humberto Suazo, Franco Di Santo, Rogelio Funes Mori and Ramiro Funes Mori, Mark González, Jhon Pírez (Chelsea FC Youth), Brek Shea(F.C. Dallas), Diego Fagundez (N.E.Revolution), Cristian Cuevas(Chelsea FC), Neymar at 14yrs old, Pastore at 16yrs old, Higuain at 17 rys, Falcao at 17yrs old.
Mark Twain | Mark | Mark Wahlberg | Mark Knopfler | Mark Zuckerberg | Mark Rothko | Mark Antony | Mark the Evangelist | Gospel of Mark | Mark Ronson | Mark Spitz | Felipe González | Mark Foley | Mark Murphy (singer) | Mark Murphy | Mark McGwire | Mark Hamill | Deutsche Mark | Mark Taper Forum | Mark Millar | Mark Lewisohn | Mark Kermode | Mark Lanegan | Dominique Gonzalez-Foerster | Mark Waugh | Mark Rydell | Mark Goodson | José González | Mark Owen | Mark Mothersbaugh |
He participated in the South American championships in Arequipa, Peru, alongside Mauritius Pinilla, Mark Gonzalez, Luis Jimenez and was debuted by U. Catholic in the first division, against University of Chile.