Livingston midfielder Jason Holt admits the mental challenge of taking on Celtic at Parkhead is just as tough as the physical one.
The Lions head to Glasgow to take on the Premiership leaders tonight with the former Hearts man knowing they can't afford a lapse in concentration if they're to take anything from the game.
It's been done before and they recently ran the Hoops close in a 2-1 loss at Celtic Park but he's under no illusions as to how daunting a task it's going to be against Ange Postecoglou's side.
