The 25-year-old has recorded 1,000 yard seasons in each of his three years in the league and has also scored 29 touchdowns, leading to comparisons with some of the greats of the game.
"AJ has had one of the most historic first three years this league has ever seen," Jackson told the club's official website. "And he is that player. He is everything I thought he was and more. But I think there's more in there. I think there's a lot more in there.
"My challenge to him is, 'Why not be the best? Why not be the best this league has ever seen? Because he has the ability to be that. And when they talk about AJ Green. I want people to be talking about one of the greatest ever. Because he is and he has that.
"He's got to set out every day to prove that because I think he's that kind of player."
Green recorded 98 receptions for 1,426 yards and 11 touchdowns in the 2013 season.