MARTIN O’NEILL is in hospital, Celtic confirmed.

The Hoops boss, 74, needed to have a minor surgery.

Celtic v Dundee - William Hill Premiership 2026/27Martin O’Neill has gone into hospital for a small surgery Credit: Getty Celtic v Dundee - William Hill Premiership 2026/27O’Neill was in the dugout for Celtic’s 1-0 win over Dundee on Monday Credit: Getty

And his club put out a statement to reassure fans and show their appreciation to supporters for their messages.

posted on X on Wednesday afternoon: “In response to speculation, we can confirm that has undergone a small procedure in hospital.

“We would envisage Martin being released from hospital in the next day or two and on behalf of Martin, we would like to thank supporters for their kind wishes.

“We would ask that the privacy of Martin and his family is respected.”

Fans flooded the replies with further best wishes.

One said: “Get well soon legend.”

Another wrote: “God bless him and hopefully he’s okay.”

A third added: “Get well soon Martin, love and prayers to you and your family.”

And a final user commented: “Wishing the boss a speedy recovery.”

, Middlesbrough and AC Milan and lost to Sporting in pre-season, then kicked off the new Scottish Premiership campaign on Monday with a 1-0 win over Dundee.

The champions have only brought in Camilo Duran and Kasper Hogh so far in the summer transfer window.

O’Neill first managed Celtic from 2000 to 2005 after five successful years at Leicester City.

He then took charge of Aston Villa, Sunderland, Ireland and Nottingham Forest before returning to Celtic Park after six years away from the dugout in an interim role last October.

He departed when Wilfried Nancy was appointed in the December – but he lasted just 33 days.

And O’Neill returned in January and spearheaded a domestic double before .