The Clara man finished the BMW Championship on 5 under par.
Shane Lowry's solid performance at the BMW Championship has left the Clara golfer ranked 13th in the Fed-Ex Cup play-offs.
The 2019 Open Champion will start the Tour Championship on Thursday with seven shots to make up on the pre-tournament leader and world number one Scottie Scheffler.
Rory McIlroy will start a shot closer on four under par ahead of the PGA Tour finale.
On Thursday, Lowry starts his Tour Championship at 5.49pm with Adam Scott, while McIlroy begins at 6.38pm alongside Ludvig Aberg.
The Offaly golfer was full of praise for the Castle Pines course which hosted the BMW Championship, calling it "one of the best venues" he'd played on with the PGA Tour.
Portlaoise Panthers Back In Super League Action This Weekend
Camross Name Tomas Burke As New Hurling Manager
Midlands Stars Set For European Cross Country Championships
Laois U20 Hurler And Footballer Of The Year Revealed
Camross Has Nothing To Lose This Weekend - Arien Delaney
Robbie Henshaw Named To Start For Leinster's Champions Cup Clash
Leinster Glory The Target For Tubberclair This Weekend
Portlaoise Panthers Aiming To End Losing Streak
Camross Getting Set For All Ireland Final
Westmeath Boxers Set To Compete At U17 European Championships
Portlaoise Panthers U20s Seal Semi-Final Place In National Cup
Midlands Beko Club Champions Recognised At Croke Park
CCFL: Four Teams Progress In Combined Counties Shield
Offaly Olympian Reveals Arsenal Dream
Buccaneers Claim First Home Win In Over Two Years
Pat Roe Steps Down As Portarlington Manager
St Michael's And Wheery To Meet In Offaly U20 Football Final
Athlone Town Confirm Two New Signings Ahead Of 2026 Season
Kelly Brady Named Personality of the Year
Former Irish Soccer Legend Backs Offaly Community After Arson Attack