The Arsenal line-up that will start against Slavia Prague
After a disappointing result in the Premier League last weekend, Arsenal are back in action on Thursday night in the first stage of the Europa League quarter-final against Slavia Prague.The Gunners were beaten 3-0 by Liverpool in a humble display, but Europe's secondary competition offers a way into the Champions League and the opportunity for Mikel Arteta's side to save what has been a disappointing season so far.However, the Gunners are struggling with injuries, with defenders David Luiz and Kieran Tierney both betting on…