The Offaly golfer finished on 17-under-par.
Shane Lowry managed a ninth-placed finish at the Travelers' Championship.
The Clara golfer secured a tie in the position, after ending the week on 17-under par in Connecticut.
Scottie Scheffler collected his sixth win of the season last night, after beating Tom Kim in a play-off to claim the title.
Both players finished on 22-under par.
Among the other Irish interest was Seamus Power, who ended the week on 13-under.
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