J. Flanagan enters the game and replaces S. Arfield.
A late change for Rangers as Arfield makes way for the introduction of Flanagan.
90' +1
There will be three minutes of added time at the end of the second half.
90'
Rangers are within touching distance of a huge result that would keep the title race alive and kicking, while it would also bring an end to their woeful recent record against their arch-rivals.
88'
A. Halliday gets yellow.
Halliday becomes the first Rangers man to be booked after taking too much time to take a throw.
87'
Halliday has been a titan for Rangers today, both offensively and at the back. He and Kent have dominated down the left side and Celtic have had no response.
84'
Morelos is fortunate not to have earned attention from the referee after catching Ralston intentionally when the ball had gone but he escapes punishment.
82'
Rangers are sitting back more in order to protect their lead but Celtic have so far been unable to find a way through. It has been a solid defensive performance from the hosts, while Celtic have been poor on the ball.
80'
Heading into the final 10 minutes now and Celtic are showing a bit more of a threat in attack but Rangers look equally capable of extending their lead. It looks set for a frantic finish.
78'
S. Brown gets yellow.
Brown is the latest player to be booked for a challenge on Kent, with the Celtic man sliding in to prevent a counter attack.
Minute
Description
77'
Tavernier strikes the free-kick at goal but Gordon is on hand to make another comfortable save, once again keeping his side in the game.
76'
K. Ajer gets yellow.
Superb skill from Kent sees him beat Brown and he is only stopped by Ajer's sliding challenge, for which he earns a yellow card.
73'
A decent opportunity for Halliday to pump a free-kick into the box and Boyata is required to head the ball behind for a corner.
71'
L. Coulibaly enters the game and replaces Candeias.
Gerrard makes his first change of the game as Coulibaly takes the place of Candeias.
70'
BLOCK! Celtic's defence is again caught napping and Morelos beats Boyata, passing across to Arfield but a vital block is made to prevent Rangers from doubling their advantage.
69'
It is not quite breaking for Rangers in the final third at the moment, as they continue to put Celtic under presure but are not creating clear-cut opportunities.
66'
It is difficult to see how there is any way back in this for Celtic, as Allan McGregor has had a very quiet time between the posts and the defensive line in front of him has been solid.
64'
Rangers still look good value for their lead despite their advantage only being slender and Celtic can barely get the ball out of their own half at the moment.
62'
Morelos twists inside the box to move the ball away from Ajer and strikes an effort at goal but Gordon is alert to make a comfortable save at his near post.
60'
O. Édouard enters the game and replaces M. Johnston.
There is the final Celtic change as Johnston, who barely saw the ball, is replaced by Edouard for the final half hour.
59'
Rangers are also likely to look to the bench soon and Kent, having only recently returned from injury, probably will not last the entire 90 minutes. At the moment he is the best player on the pitch though.
57'
Celtic, having made two defensive changes already, only have one substitute available and Rodgers needs to be smart with his choice. At the moment, they desperately need someone who can spark some creativity into the side.
53'
Rangers continue to pile pressure upon the Celtic defence and know that a one-goal lead is not an advantage that is comfortable.
51'
You still have to wonder whether Rangers will live to regret these missed opportunities. That is three big saves from Gordon now, along with an attempt cleared off the line and Brown striking the frame of his own goal.
49'
Kent has run the Celtic defence ragged today. His determination has been the difference between the two sides and he could still provide a further influence on the game.
46'
A. Ralston enters the game and replaces M. Lustig.
A change at the break for Celtic as Lustig, who was tormented by Kent throughout the first half, and Ralston enters the fray.
Celtic get the action back underway at Ibrox and desperately need to show improvements on a poor performance in the opening 45 minutes.
45' +3
HALF-TIME: RANGERS 1-0 CELTIC
45' +2
M. Lustig gets yellow.
There will be two minutes of additional time at the end of the first half.
It took a while but Lustig has just earned the first yellow card of the contest right at the end of the first half for a foul in midfield.
45' +1
K. Ajer enters the game and replaces F. Benković.
Confirmation of the change as Ajer takes the place of Benkovic, who picked up the problem without any contact from a Rangers player.
42'
A solid tackle from Tavernier on Sinclair brings an end to another Celtic surge but the visitors do have a corner. However, Christie's delivery goes all the way over to the other side for a Rangers throw.
40'
Celtic win their first corner of the game and Christie's delivery finds it's way through to Brown on the edge of the area but his strike at goal is blocked.
38'
Superb challenge from Worrall as Forrest picks up the ball and looks to put the Rangers defence under pressure with his pace. All of Gerrard's men are putting in a brilliant shift.
36'
Rangers need to ensure they hold onto their advantage heading into the break but a second goal before the interval would be massive. They are certainly not prepared to relieve the pressure.
32'
A huge goal for Rangers, particularly as it came at a time when Celtic had started to dominate the possession battle. It has lit a spark amongst the home fans and Rodgers' side have a huge battle on their hands to claw their way back into the game.
30'
R. Jack has scored a goal for Rangers! Assist by R. Kent.
A fantastic assist from Kent. He put Lustig under pressure and the Celtic man was made to pay for standing off him, as he was easily beaten by an excellent piece of skill.
GOOOOOOOOOAL! 1-0 Rangers! Kent superbly cuts inside down the left, leaving Lustig for dead, and tees the ball to Jack. He calmly strikes at goal and it takes a deflection off Brown as it went through his legs, leaving Gordon with no chance.
28'
A slight dip in the tempo of the game as Celtic look to find their rhythm but Allan McGregor is yet to be properly tested.
26'
The concern for Rangers will be that they have had two big chances to take the lead on top of Brown striking the frame of his own goal. Sooner or later, Gerrard's side need to make one of these opportunities count.
24'
Rangers have been first to everything so far and Celtic have not been able to establish a foothold in the match.
22'
Another superb delivery from Halliday is met by the head of Goldson but he cannot direct his attempt on target.
20'
Gerrard will be delighted by the start his Rangers side have enjoyed as, barring the half-chance at the other end from Forrest, it has been one-way traffic so far.
14'
Forrest fouls Kent and hands Rangers an opportunity to pump a free-kick into the box, with Tavernier coming across to the left side to take. However, his delivery is poor and easily cleared away.
12'
Huge appeals from the Rangers fans as Morelos charges forward in an attempt to capitalise on a loose ball and is caught by the sliding challenge of Brown but the referee is not interested in their protests.
9'
An encouraging start from Rangers as Benkovic knocks the ball behind for a corner, which Tavernier drills into the middle but it is headed away.
7'
Forrest charges forward and tests Allan McGregor with an early attempt that is comfortably saved, with Tavernier on hand to hook away the loose ball before anyone could take advantage.
5'
Morelos is already under the microscope after a petulant kick at Brown, which is the first incident in what is sure to be a fiesty contest between the pair.
3'
Already a cracking atmosphere inside the stadium despite the fact that Celtic only have 750 away supporters. The home fans are certainly making up for that though.
1'
Rangers get an fascinating Old Firm derby underway at Ibrox.
Halliday is again the man to take the corner but his delivery is headed away by Callum McGregor. The home side will not take their foot off the gas though.
Defending champions Celtic boast a three-point advantage over Rangers following their dramatic victory over Aberdeen on Boxing Day and a victory at Ibrox today would see that lead extend to six. However, a win for Steven Gerrard's side would put Rangers level on points at the top.
Celtic XI (4-2-3-1): Craig Gordon; Mikael Lustig, Dedryck Boyata, Filip Benkovic, Callum McGregor; Scott Brown, Oliver Ntcham; Ryan Christie, James Forrest, Scott Sinclair; Michael Johnston.
Celtic subs: Scott Bain, Odsonne Edouard, Kristoffer Ajer, Lewis Morgan, Jonny Hayes, Anthony Ralston, Kieran Tierney.
Rangers XI (4-3-3): Allan McGregor; James Tavernier, Connor Goldson, Joe Worrall, Andy Halliday; Ryan Jack, Ross McCrorie, Scott Arfield; Ryan Kent, Alfredo Morelos, Daniel Candeias.
Rangers subs: Wes Foderingham, Nikola Katic, Kyle Lafferty, Jon Flanagan, Lee Wallace, Lassana Coulibaly, Glenn Middleton.
Hello and welcome to our LIVE coverage of the Scottish Premiership clash between Rangers and Celtic, where the two arch-rivals face off in a tie that is set to have a huge impact in the title chase.
The two teams are heading onto the field for what should be a cracking encounter.
A valuable lead for Rangers at the interval after Jack's first goal for the club and they deserve to hold the advantage following an impressive performance. Prior to the opening goal, Gordon had been forced to make two fine saves and Brown headed onto the frame of his own goal, while Celtic offered very little threat of their own.
Rangers' relentless pressure off the ball has stood out and Rodgers may already be thinking of changes for the second half, as 19-year-old forward Johnston has barely had a sniff. It probably will not be too long until we see Edouard in the second half.
Thanks for joining our coverage today. Until next time, goodbye.
Rangers now have a few weeks to prepare for their next league clash against Kilmarnock but will play Cowdenbeath in the Scottish Cup before that. Celtic will be expected to win their cup tie against Airdrieonians before hosting St. Mirren in their next league match.
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