When is the right time to exit the stage? It’s a question all sportspeople, no matter how successful, must eventually face. Three years ago, Philipp Lahm captained Germany to a fourth World Cup triumph. Less than a week later, the then 30-year-old retired from international football.

Bayern Munich against Arsenal has become a Champions League hardy perennial. Tomorrow night’s match takes on added significance following Philipp Lahm’s announcement that he will retire at the end of the season.

Bayern Munich captain Philipp Lahm has confirmed he will be retiring from the game in 2018.