For an allegedly experienced international defender to make that challenge is inexcusable. I know Robertson was doing his bit as captain trying to explain that it's a defender's mindset to never let anyone past them, but that just made it worse for me.
As I've said a few times, I remember Fergie always saying that he drilled his defenders to never commit fouls like that. His approach was that the striker still had to find the target and beat the keeper - and if they did score, he'd want 11 players on the pitch to respond.
That's the mindset you should have as a top defender, especially that early in the game.
Hope Miller gets a run out soon or he might start looking for an Irish granny.