Rangers manager Walter Smith was remaining tight-lipped about his signing targets, although Paul Hartley did not feature for opponents Hearts.
Walter Smith says Rangers deserved to beat Hearts
The midfielder is believed to have been left out of the 0-0 draw at Ibrox following an offer from Smith's club.
"You can put two and two together if you want," said the Rangers manager.
"We have bids out for a number of players. We might have to take one more on loan for a position we need to fill if we can't get someone permanently."
Rangers have also had bids rejected for Hibernian's Scott Brown, Wigan's Lee McCulloch and Falkirk's Alan Gow.
Smith stressed that the sale of Jeremy Clement to Paris Saint-Germain had not boosted his transfer activity.
"We made bids 10 days ago or earlier, so it's got nothing to do with the Clement deal," he said.
"If we do get a couple of players in then great. If we can't get who we want, we will wait until the summer."
Smith's present side had the better of the chances against a Hearts team with whom they are vying for second place in the Scottish Premier League.
"I was disappointed we didn't get the win because I thought we did enough to win the match," said Smith.
"We had an offside decision which, from the dugout angle, looked dubious, so I don't know if it was offside or not.
"We will continue to try to get a good reaction out of the players, like we have been doing."