Aston Villa boss Unai Emery is happy seeing Bukayo Saka succeed at Arsenal.
Emery gave Saka his debut as Arsenal manager.
Ahead of their clash with the Gunners, the manager said: "Arsenal have always had good players in their academy, and Bukayo Saka is a really good example.
"He developed because he had really good coaches at the academy and because I helped him, and he is developing a lot under Mikel Arteta.
"He is a really good player and he is humble. I am very happy for him."