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26 Mar 2026

Talented West Limerick winger signs for Treaty United ahead of new season

Glin native Karl O'Sullivan joins Treaty United from Galway ahead of Friday night's league opener

Talented West Limerick winger signs for Treaty United ahead of new season

Limerick native Karl O'Sullivan, who has joined hometown club Treaty United, in action for Galway United last season

TREATY United have bolstered their squad ahead of the new season with the signing of highly-rated West Limerick winger Karl O’Sullivan.

O'Sullivan joins his hometown club after a season with Galway United. He brings the experience of nearly 150 Premier Division appearances as well as lining out in European competition.

A native of Glin, O'Sullivan burst onto the League of Ireland scene in late 2017 when he made his senior debut with Limerick FC, before going on to make almost 60 appearances across the Premier Division and First Division on Shannonside.

The exciting O'Sullivan then made the move to Finn Harps with whom he spent two seasons in the top-flight. He grabbed six goals and eight assists in 52 showings for the Harps.

The winger moved on to North West rivals Sligo Rovers in 2022, spending two seasons with the Bit O’Red. O'Sullivan's time with Rovers will be best remembered for his role in the club’s European run in 2022. 

He made six appearances for John Russell’s side in the UEFA Conference League qualifiers in 2022 as they went on a great run to the Third Round having beaten Bala Town and Motherwell in the first two rounds.

2024 saw O'Sullivan line out for John Caulfield’s Galway United, grabbing five assists in 30 appearances as the side contended for a European spot until late in the season.

The 25-year-old winger becomes the latest addition to Tommy Barrett’s squad as they look ahead to the season opener against Cobh Ramblers at the Markets Field on Friday night next February 14 at 7:45PM.

Speaking to TreatyUnitedFC.com, manager Tommy Barrett said was delighted to have signed up a local talent like Karl O'Sullivan ahead of the new season: Karl is a great signing for us. He’s a local lad who has Premier and European experience from his time in the league and will bring another edge to our attacking threat. He’s technically really good and I think he’ll be an important player for us.”

Karl O'Sullivan told TreatyUnitedFC.com: I’m delighted to sign for the club. I’m really looking forward to working with Tommy again and seeing the fans at the Markets Field.”

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