Mikel Arteta reveals Nicolas Pepe and Gabriel Martinelli concerns after Europa League win

Arsenal head coach Mikel Arteta gave a lengthy explanation behind his decision to bring on Willian against Benfica on Thursday night. And speaking afterwards, Gunners boss discussed the decision behind wanting to bring on the Brazilian instead of either Nicolas Pepe or Gabriel Martinelli. Arteta said: "Because there wasn’t much space to run in behind. It was a really tight two lines of 4-4-1 or 5-3-2 at times. "They were a really low block not much space to run apart from when they set the line around the 18-yard box. "So you need people to unlock that special qualities in tight spaces to create moments and I think Willy he was really helpful tonight." Arsenal are set to play Olympiacos in the round 16 in the Europa League. Source- Mirror Join us on Telegram!/ Follow us on Twitter!

UEFA Europa League Round of 16 draw results: Manchester United to face Milan, Arsenal to face Olympiacos