'He's a different character, of course, but it's a different situation, ' Puel said ahead of Leicester's Premier League opener with United.
"It has been a hard pre-season with all the global players coming back step-by-step and without the good levels and freshness necessary to play 90 minutes".
"We dominated this game with good play and a lot of chances".
"He is going to be good for us. It would have been a good reward for our play".
He said: "I was happy with the progress of Harry in the second half of last season".
In Maguire's case, Leicester City stuck to their guns and kept hold of their prized asset, having slapped a price tag of around £80 million on him.
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"For us it (a Maguire transfer) is not possible". We need to continue and build some good momentum. It is not serious'.
Speaking after Friday night's 2-1 opening-game defeat at Manchester United, Chilwell claims that Maguire won't leave the King Power Stadium when the transfer window opens again in the New Year.
Summer signing Jonny Evans, formerly of United, Nampalys Mendy and Demarai Gray (ankle) are also concerns.
It is understood Maguire has been hoping United would come in with an offer for him before the window closed, though Puel has outlined how Leicester can not lose any more top players.
He becomes the sixth new arrival of the summer following the acquisitions of Ricardo Pereira, Jonny Evans, James Maddison, Danny Ward and Rachid Ghezzal.