Gabriel Martinelli has revealed he told his teammates how he would exploit Athletic Club just moments before coming off the bench and sending Arsenal on their way to victory.
Martinelli required only 36 seconds and four touches to fire Mikel Arteta's men into the lead after he latched on to a looped ball over the top from fellow substitute Leandro Trossard .
The Brazil winger then turned provider for Trossard with three minutes to go as Arsenal kicked off their Champions League campaign with all three points in Spain following a convincing 2-0 win.
Martinelli said: "When I came on, I just tried to get in behind. I wanted to see where I could find the space. I had said to the guys on the bench that there was a huge space in behind.
"Leo saw me, it was a great ball from him, and I