Our England under-21 international has emerged as a significant figure in our new head coach's attacking plans, starting against Chelsea on December 29 and again in the Emirates FA Cup on Monday.
Nelson broke the deadlock with a scruffy finish from Alex Lacazette's deflected pass, and Arteta says our matchwinner is heading in the right direction.
"I am very pleased with him, how he’s training, how he’s reacting, how willing he is to learn," he said.
"He’s asking the right questions, I know about his ability, I’ve known him since I was here and I coached him when he was 16.