Carl Jenkinson provided the cross for the Dane to head home.
He told Arsenal Player: "I'm really pleased for him.
"He's looked sharp in training and I think he really stepped up to the mark [against Hull] and the boys were saying how well he's done.
"Obviously that's fantastic for us because we know when he puts his mind to it he's top drawer."
For breaking stories and all the great banter like us on Facebook: facebook.com/tribalfootball