Rubuta ci gaba don wannan sakin layi - Buckley ya zama wani ɓangare na makarantar Connacht a gaban kakar 2009-10. A watan Satumbar 2011, yayin da yake shekara ta uku a makarantar, Buckley ya fara bayyana ga tawagar. Ya zo ne a matsayin maye gurbin a cikin 2011 <unk> 12 Pro12
wasan da Benetton Treviso. Farkon bayyanarsa a Turai ya zo ne a kan Toulouse a 2011-12 Heineken Cup a ranar 14 ga Janairu, 2012, kuma a matsayin mai maye gurbin. Buckley ya fara farawa ne a ranar 24 ga Fabrairu a wannan shekarar a wasan Pro 12 da Edinburgh. Gabaɗaya, lokacinsa na farko ya gan shi ya yi wasanni takwas na Pro 12 kuma ya fito a wasanni biyu na Heineken Cup don lardin.