Mikel Arteta rates Mikel Merino debut after summer signing makes instant impact

Mikel Merino finally made his long-awaited Arsenal debut in the Champion League against Paris Saint-Germain as Arsenal won 2-0Mikel Arteta hailed the impact of Mikel Merino after the summer signing from Real Sociedad made a positive impression on his eagerly awaited Arsenal debut last night against PSG in the Champions League.The Gunners fought off competition from the likes of Barcelona and Atletico Madrid in order to recruit a player Arteta had identified as his No.1 midfield target.
Merino&rs