Ku sii qor faqradan - Laga soo bilaabo abuuritaanka Welsh <unk> Scottish League sanadkii 1999, horyaalka waxaa loo yaqaanay Celtic League markii uu koray oo ay ku jiraan kooxaha ka socda Ireland, Scotland iyo Wales. Horyaalka waxaa kafaala qaaday soosaarayaasha ciderka Irish ee Magners laga bilaabo xilli ciyaareedkii 2006-07 ilaa 2010-11. Bilowgii xilli ciyaareedkii 2010-11, horyaalka waxaa laga ballaariyay 10 ilaa 12 kooxood, iyadoo lagu daray laba kooxood oo Talyaani ah. Kadib dhamaadkii kafaalaqaadka Magners, horyaalka waxaa kafaala qaaday RaboDirect laga bilaabo 2011<unk>12
ilaa iyo 2013<unk>14. Magaca Pro12 waxaa la qaatay sanadkii 2011 si loo muujiyo in horyaalka hadda ay ku jiraan kooxo ka baxsan quruumaha Celtic. Kordhin dheeraad ah oo loo sameeyay 14 kooxood (iyo dib u magacaabista dambe ee Pro14) ayaa ka dhacday xilli ciyaareedkii 2017-18, iyadoo laba kooxood oo Koonfur Afrikaan ah ay ku biireen Horyaalka illaa xilli ciyaareedka 2019-20. Heshiiskii maalgelinta ee dhowaan la galay Guinness wuxuu bilaabmay bilowgii xilli ciyaareedkii 2014-15, waxaana la soo gabagabeeyay ka dib Pro14 Rainbow Cup bishii Luulyo 2021. Ka dib markii loo beddelay United Rugby Championship, horyaalka ayaa iskaashi cusub la sameeyay Roc Nation.