 He didn't appear again until the round 5 win over Westmeath, but kept his place as Kerry made the final for the first time since 1997.Kerry took on Galway in the final, and with O'Sullivan at left corner back ran out winners on a 3-11 to 1-16 scoreline, giving O'Sullivan a first National League title.O'Sullivan kept his place at left corner back as Kerry opened their Munster campaign away to Clare, Kerry came awy with a retrain 2-10 to 0-09 win to set up a semi final date with Cork.