Arsenal have enjoyed a solid season and remain in the picture for the Premier League title. The Gunners also reached the quarter-finals of the Champions League in their first season back in the competition for years. Edu and Mikel Arteta have done a great rebuilding job on the Arsenal squad, and this summer could yet see more additions. Now, a report has emerged claiming the Gunners have set their sights on one of the Championship’s best young players. According to journalist Paul Abbandonato, Arsenal have set their sights on Cardiff City attacker Rubin Colwill. The former head of sport for Wa…