Halani Aulika has now scored 11 tries this season
Aulika now has scored 11 tries in all competitions this season and his brace was part of a seven-try riot for Irish against a Welsh side already guaranteed to finish bottom of the table.
Ragnar Klavan scored one goal and set up another Sunday to help Heracles Almelo beat 10-man Feyenoord 3-1 in the opening round of the Dutch league.