Arsene Wenger, right, the Arsenal manager, is frustrated his side head to Spain next week for the second leg of their Europa League semi-final with Atletico Madrid level at 1-1. Mike Hewitt / Getty Images
Arsene Wenger, right, the Arsenal manager, is frustrated his side head to Spain next week for the second leg of their Europa League semi-final with Atletico Madrid level at 1-1. Mike Hewitt / Getty ImShow more

Arsene Wenger regrets Arsenal's finishing as 10-man Atletico Madrid hit back to earn draw in Europa League