Shane Lowry can hardly contain his excitement after shooting an 8-under 63 in the third round of the Open Championship at Royal Portrush in Northern Ireland, giving him a four-stroke lead going into the final day. The Irishman says he benefited from coming into the tournament under the radar, with the spotlight more on Rory McIlroy, Graeme McDowell and Darren Clarke. Lowry doesn’t expect to have any advantage over the chasing Tommy Fleetwood, J.B. Holmes or Brooks Koepka in the poor weather conditions expected for Sunday and explains the lessons he took from his second-place finish at the 2016 U.S. Open at Oakmont. Subscribe to ESPN UK: http://bit.ly/1oGUzVA Follow ESPN UK across multiple platforms: https://en-gb.facebook.com/ESPNUK https://twitter.com/ESPNUK http://www.espn.co.uk/