A double bogey on 14 proved costly as Shane Lowry finished in a tie for third at the RBC Heritage on the PGA Tour.
The Offaly man finished with a 69 on 12 under par, 1 shot off joint leaders Patrick Cantlay and Jordan Speith.
Speith eventually took the win on the first playoff hole.
Advertisement
Graeme McDowell's final round 68 helped him finish on 8 under par in a tie for 21st.
Shane Lowry is up to 27th in golf's world rankings.
