 O'Connor led Kerry to a second consecutive Munster championship in 2014, beating near rivals Cork in the final.They went on to win the All-Ireland in 2014, Kerry's first victory in the competition in 20 years, beating Donegal 0-17 to 1-10 in the final, matching their senior counterparts victory in the senior final.O'Connor's charges repeated the success in 2015, comprehensively beating Munster rivals Tipperary in both the Munster final  and the All-Ireland Final, winning 2-14 to 1-11 and 4-14 to 0-6 respectively.