Something has to give when two of the three perfect Champions League teams butt heads on Wednesday evening, when Arsenal welcome perpetual nemeses Bayern Munich to the Emirates for a titanic league-phase tussle.

Both the Premier League leaders and Bundesliga champions have collected the maximum 12 points from their opening four games this season, and the Gunners have done so without conceding a single goal against Atletico Madrid, Olympiacos, Athletic Bilbao and Slavia Prague.

Mikel Arteta 's men also extended their advantage at the Premier League summit on Sunday courtesy of a 4-1 trouncing of North London derby rivals Tottenham Hotspur, although they have been marginally out-performed by Bayern in the current European campaign.

The Bavarians lead the London giants co

See Full Page