Former Manchester United trainee Danny Simpson took to Twitter to mock Danny Welbeck's doubters after the striker hit a hat-trick over Galatasaray.
The England forward scored three goals for the first time in his professional career, in only his fifth game for Arsenal.
He now has four goals in five for the Gunners, and has already dispelled talk over whether he is a natural goalscorer.
As if people were actually doubting Welbeck and questioning whether he could score goals or not if he played up front— Danny Simpson (@dannysimpson) October 1, 2014
Simpson regards himself as a friend of Welbeck, telling The Express earlier this year: "I still speak to Rio Ferdinand, Danny Welbeck, Chris Smalling, and Tom Cleverley as well. I've sent them messages before, saying good luck, especially for the World Cup for Danny and Chris."
Welbeck now is preparing to lead Arsenal into battle against Chelsea this weekend, and a strong performance there can put him in pole position to remain the club's top striker even after Olivier Giroud returns from injury.
The Frenchman has never scored a Champions League hat-trick for the club, and nor has he even scored against Chelsea.
While Arsenal can't believe their luck, Manchester United may be thinking twice about the striker they gave away.