The central midfielder is key to the way Villa play under manager Dean Smith.
His absence for parts of last season coincided with their worst run of results. And Agbonlahor hopes the 25-year-old will soon put pen to paper.
He told Football Insider: "Yeah, hundred percent. I think that'll be done and dusted in due course.
"Even on Sunday, when it wasn't going as well for Aston Villa in the first half, he was never hiding, he was getting on the ball, he was driving the team on.
"He's like that unsung hero, John McGinn, doesn't get enough praise for what he actually does.
"Watching live on Sunday, I noticed the way like he's just everywhere – buying fouls, taking quick free kicks.
"He just wants to get the team on and he's very talkative, which I didn't think he was but he was watching live. A great player and someone that Villa need to tie up."
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