The Campeonato Argentino de Rugby 1984 was won by the selection of Buenos Aires that beat in the final the selection of the Entre Rios
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<small>Buenos Aires: 15.Bernardo Miguens, 14.Jorge de Prat Gay, 13.Diego Cuesta Silva, 12.Fabian Turnes, 11.Marcelo Campo, 10.Hugo Porta, 9.Javier Miguens, 8.Ernesto Ure, 7.José Visca, 6.Tomas Petersen, 5. Gonzalo Gasso (Carlos Durlach), 4. E. Leiva, 3.Diego Casch, 2. Andrés Courreges, 1.Luis E. Lonardi. <br/> Entre Rios: 15.Castello, 14.M. Lescano, 13.Campos, 12.Albornoz, 11.Annichini, 10.Comaleras, 9.Faggi, 8.Ricciardi, 7. Federik, 6. C. Lescano, 5. Dall'Ava, 4.Budni, 3.Seri (Di Prettoro), 2.Cura (Bravo), 1. Borches. </small>