Amid the din and the disapproving cat calls making their way down from The Jungle, Wayne Rooney will deliver his final instructions at Celtic Park. It is on the field, in the moments before Swedish referee Jonas Eriksson gets this clash with Scotland under way, when England’s players will wrap their arms around each other. The pre-match huddle is famous at Celtic — started here in the 90s when Tony Mowbray was captain of the club. On Tuesday, it is guaranteed to provoke a different reception. VIDEO Scroll down to watch Scotland vs England: Sportsmail's international  preview There is a growing sense of maturity about England's Wayne Rooney ahead of the game against Scotland
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England will face Scotland in a friendly at Celtic Park on Tuesday night
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Wayne Rooney has warned that the atmosphere will be intense, particularly for younger players
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England's captain has played their before in the Champions League, but England game will be different
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Rooney said the game will be a big test, despite it being a friendly
An empty @placeholder may not look too intimidating, but England will find themselves in a hostile environment