By Ewan Murray Arsenal may have been strong favourites for their Champions League quarter-final first leg with Bayern Munich on Tuesday evening, but they were only able to take a draw away from a high-octane clash in north London. The Gunners dominated for large periods but were often left exposed on the counter-attack as the likes of Leroy Sane and old enemy Harry Kane caused them problems. In the end, the 2-2 draw may have been a good result for the Gunners given they trailed at half-time, with goals from Serge Gnabry and former Tottenham striker Kane shocking the home fans after Bukayo Saka…