"I think he's an extremely talented player," Palmer said on talkSPORT.
"The one thing I would say, when I look at him, I don't really know what position he plays and I think that is the problem when it comes to the argument for England.
"He almost has a free role in the Leicester side. He's given carte blanche in the final third to create problems. He plays on the half turn, he's a very talented player when he does that. Travels well with the ball, got good delivery, he's a very, very talented player.
"But (England coach Gareth) Southgate's already got Foden, who's that similar type of player. He's also got Grealish, but Grealish is going to have to have a good second part of the season."
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