The Welsh midfielder has caught the eye of many top flight clubs after bagging 12 goals already this season.
He will potentially be the one to watch in Sunday's FA Cup fifth round tie at the Lane.
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Boss Glenn admitted he had taken a close look at the 22-year-old during his time in charge of Southampton but would not be pursuing him at Spurs.
"He has the ability to run with the ball and make things happe," said Glenn.
"He can pick a pass and has an eye for goal. He's a creative player and there aren't that many around at the moment.
"I'm sure the lad could step up. We looked at him at Southampton but he's not what we need at the club at the moment. That's not to say he's not a very, very good player."
As for this season's FA Cup as a whole, Glenn refused to look further than Sunday's tie although suggested Arsenal and Chelsea had to be considered as contenders.
He added: "It's difficult to look further than Arsenal or Chelsea, both have strong cup traditions.
"We'd like to think we have a chance as well so there are three London clubs in there plus Fulham as well, they could be a dark horse.
"We'll take it round by round. We're at home, fighting for a place in the last eight. It's in our hands and that's all we can ask for."
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Glenn Hoddle is convinced Tranmere's dangerman Jason Koumas could take the step up from the Second Division.