Saka said: "The last 20 minutes wasn't nice, but it was worth it!
"We know it is a big derby and they don't want to lose 3-0 at home. Momentum shifted their way, but I am proud of the boys - we managed to get the three points.
"We needed to be calm and everything was frantic. We showed our level-heads at the end and I am proud of everyone, it was a nice moment - we know what it means to the fans.
"It means everything and it is a massive win for us. We have three to go and we will give it everything."
On lessons from last season, he said: "We showed that today. Maybe last season that could have ended in a draw and we showed we have the experience."
On his goal, Saka added: "Of course it is really nice and hope I can continue breaking records like this."