Rangers will make a third bid for St. Johnstone forward Michael O’Halloran today, according to The Scottish Sun.
“If it doesn’t represent value on and off the pitch, then why enter into it?” said the Englishman. “It’s like buying a house and knowing you’ve paid too much money for it.
“If you are not comfortable then don’t do it. There’s a big difference between being comfortable and being brave.”
O’Halloran has been on the books of St. Johnstone since January 2014 and has a contract until June 2017.
The Saints, who finished fourth in the Scottish Premiership table last season, are doing relative well this campaign.
Tommy Wright’s side are fourth in the standings at the moment with 31 points from 20 matches.
Rangers are at the top of the Scottish Championship table at the moment with 47 points from 19 matches. Warburton’s side are three points clear of second-placed Falkirk and also have a game in hand.