Six points separate the team's going into Sunday's game, though Celtic have a game in hand against Dundee.
"I like to think we can crack on in the league and finish really high", he said.
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Murphy has impressed since joining Rangers on loan from Brighton in January but has been left out the William Hill Scottish Cup win over Falkirk with a toe injury. It was an awesome fall from grace for a club that has won more domestic honours than any other in world football.
"Our job is always to stay calm going into the game and make sure that we can perform".
Perhaps feeling the pressure begin to mount, Rodgers was quite bullish speaking ahead of this weekend's crucial derby.
Rodgers aimed barbs at that ambition at the time and, with familiar self-contradiction, he did it again in the run-up to this occasion.
Brendan Rodgers has yet to lose to the Ibrox side, but Murty believes his new signings have improved Rangers since the 0-0 draw at Parkhead on December 30. The lows are difficult to take, the manner in which we've lost some of them especially - two 5-1s, one of them at home - they're really hard to take.
The potential for tomorrow's derby at Ibrox to stimulate a title race seems to have created an inability - or wilful unwillingness - to differentiate between the excitable chatter from the Rangers support and the more sober appraisals from those within the club.
"There certainly looks like there's a belief about Rangers at this time", said Pressley, who won league titles at both Rangers and Celtic as one of only a handful of players to cross the Old Firm divide.
The 6ft 4in player is in no doubt that his side, who have netted 31 goals in the 10 games they have played since the winter break, will carve out opportunities in the final third this weekend.
If Roberts is on his game and beating his opponents in one-on-one scenarios - thus opening up space for Rogic, Dembele, and Sinclair - it's hard to imagine Rangers outscoring Celtic on the day. "They will be s****ing themselves when they go to bed tonight".
"You have the added stuff about Scotland, everything is building up to be a positive afternoon and if you come out of that with a good performance then looking towards Scotland would be great as well".