Dundee United have launched an investigation into the behaviour of first-team players Paul Paton and Mark Wilson.
The Scottish Premiership club confirmed the pair will be unavailable for Saturday's league match against Inverness as a result.
Manager Jackie McNamara declined to say whether the club probe was linked to an incident in Glasgow in the early hours of Monday morning, in which Celtic's former United goalkeeper Lukasz Zaluska was left with two black eyes.
McNamara told Sky Sports News HQ: "I've decided I think it's best to keep them out of the limelight, with the attention that's surrounding it. We're doing an internal investigation that will not be done by me, it'll be (done) by the club to make sure everything's okay."
Asked how much of a disruption the decision would cause him, McNamara said: "It's more a disruption if they're here at the moment.
"My focus is Saturday and that's why we decided to do that, to get the rest of the players ready for the game, because to me that's what we're here for, to play games of football.
"We'll try to focus the best we can despite all the attention.
"The two players are Mark Wilson and Paul Paton. It will take as long as it takes. It's outwith my hands - the club's dealing with it."
Asked directly if the investigation was related to Zaluska, McNamara added: "I don't want to comment on that. We've put a statement out and everything will come out in due course."
United said in a statement on Wednesday: "Dundee United Football Club has commenced an internal investigation into the conduct of two of its players following information received by the club."
Police are investigating the incident involving Zaluska, but have refused to comment on reports that another Scottish Premiership player was involved.
Celtic manager Ronny Deila has absolved Polish goalkeeper Zaluska of any blame. Then Celtic coach Neil Lennon was knocked unconscious on the same street in an attack in 2008.
Wilson has already stated he tried to ''calm a matter down'' involving Zaluska in Ashton Lane.
The 30-year-old, who played with the goalkeeper at Celtic, released a statement on Wednesday through a spokesperson, which read: "There has been a lot of publicity surrounding events on Sunday night in Ashton Lane.
"Mark Wilson would like to clarify matters regarding himself.
"Mark was out for a meal with his wife and some other couples.
"On his way home with his wife, they came across his friend and former team-mate Lukasz Zaluska.
"Mark tried to calm a matter down and latterly to help Lukasz as he was in a distressed situation."
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