He made just nine starts in the closing stages of their promotion-winning Championship campaign and his chances look further limited in the top flight.
"We've mentioned probably 30 people like that and I've not made contact with the club myself," Warnock told the Yorkshire Post.
"But I'm not saying he hasn't been mentioned because there are 20 or 30 players we've asked about, talking to Premier League managers and staff.
"We've not even considered making an offer for him. We've just been asking people what the availability of that type of player is."