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By Thomas McGuigan
1702: Rangers receive a massive boost in the SPL title race as they beat Kilmarnock to move to within two points of Celtic with a game in hand. Highlights of this weekend's Scottish Cup games will be broadcast on BBC Two Scotland at 2200 and the best bits of Rangers v Kilmarnock will be on our website later. Thanks for your company, enjoy what's left of your weekend.
1701: Despite a spirited display, Scotland lose 22-16 to England at Twickenham and remain without a Six Nations win ahead of a last-game Wooden Spoon showdown against Italy.
1656: "This was hard graft for Rangers this afternoon to pick up all three points." BBC Sportsound pundit Craig Paterson
1653: Rangers leave it late but secure victory to move to within two points of Celtic with a game in hand.
1652: FULL-TIME RANGERS 2-1 KILMARNOCK
1650: Tim Clancy goes down under the challenge of Kyle Lafferty in the box and the visitors appeal for a second penalty but referee Alan Muir's having none of it. BBC Scotland pundit Billy Dodds says it was a "stonewaller", more of a penalty than the one that was given.
1648: We've got three minutes of stoppage time at Ibrox.
Rangers goal: Rangers re-take the lead as Tim Clancy slides in to make a clearance but puts the ball into his own net!
1642: England are 19-9 in front against Scotland at Twickenham, going into the final 10 minutes.
1639: Rangers are swarming forward in search of a second goal as they look to retake the lead. Steven Davis's cross finds Madjid Bougherra, who heads the ball into the net but the Algerian is flagged offside.
1636: "It was definitely a turning point for Rangers when they sold Kenny Miller. From an exciting attacking team with Miller, to a team lacking intention without him." Brian from Lossie, via text on 80295
1633: Steven Davis sends a free-kick over the bar. Diouf and Foster are the two players to make way for Lafferty and Weiss.
1631: Kyle Lafferty and Vladimir Weiss are coming on for Rangers, according to our man Chick Young, who's trackside at Ibrox.
1629: Richard Foster, desperate to make up for conceding a penalty, tries his luck from 25 yards but his left-foot effort drops over the crossbar.
1627: Scotland have fallen behind to England at Twickenham. It's now 9-6 to the hosts.
1624: Kyle Bartley fires in a howitzer at Anssi Jaakkola's goal but his effort scorches over the bar.
1623: Nikica Jelavic goes to ground in the Kilmarnock box claiming his jersey is being pulled but referee Alan Muir is disinterested.
1620: Richard Foster goes into the book for his trouble and Ibrox has suddenly come alive.
Kilmarnock goal: Richard Foster is penalised for his challenge on Tim Clancy and Jamie Hamill keeps his cool to find the net.
1619: GOAL! RANGERS 1-1 KILMARNOCK (JAMIE HAMILL)
1618: Penalty for Kilmarnock...
1617: It's still 9-9 between England and Scotland at Twickenham, 12 minutes into the second half...
1615: Kilmarnock are about to introduce Rui Miguel as a substitute in a bid to inject a bit of life into their side.
1610: The visitors haven't been unable to unlock the Rangers defence and there's not been much excitement to get the Killie fans on their feet.
1607: Killie keeper Anssi Jaakkola gathers after Nikica Jelavic fires in a shot, the first of a low-key start to the second half.
1605: Rangers stroke the ball about in midfield and they will be happy to protect this 1-0 lead in the hope of securing victory and moving to within two points of Celtic with a game in hand.
1604: The second half gets under way at Ibrox.
1548: It's England 9-9 Scotland at half-time at Twickenham. Could Andy Robinson's men cause an upset?
1547: HALF-TIME RANGERS 1-0 KILMARNOCK
1544: Kilmarnock are passing the ball well in midfield but much of their good work is breaking down in the final third.
Rangers goal: The hosts emerge from their sluggish first half display to break the deadlock through El Hadji Diouf. The on-loan forward receives Steven Whittaker's pass and fires home from the right-hand side of the box, much to the delight of the home fans inside Ibrox.
1538: GOAL! RANGERS 1-0 KILMARNOCK (DIOUF)
1536: "Rangers will struggle today, we need to become more attacking. I would move Bougherra into midfield; along with Davis he's been our most attacking player in the last 2 years." Alan McGlashan, via text on 80295
1535: England have nudged their noses in front against Scotland at Twickenham, it's 9-6 to Martin Johnson's side after half an hour.
1534: El Hadji Diouf's corner is headed over the Kilmarnock crossbar by Kyle Bartley: Rangers struggling for a cutting edge, with just over 10 minutes of the first half remaining.
1528: Rangers, unbeaten in their last 13 games against Kilmarnock, will be keen to keep the pressure on Celtic in the title race. Victory for fourth-placed Killie would take them six points clear of Dundee United.
1525: Remember, to get in touch and offer your thoughts on Rangers v Kilmarnock and that pulsating cup tie at Tannadice, do so via Twitter using the hashtag #BBCSportsound send me a direct message here or text via 80295.
1523: Almost an own goal by Kilmarnock's Manuel Pascali as his attempted clearance forces his own keeper Anssi Jakkola into a save.
1522: El Hadji Douf fires wide from six yards. Good chance missed for the hosts as they begin to find their feet at Ibrox. Kilmarnock, shorn of the creative talents of Alexei Eremenko through suspension, have struggled to create anything of note.
1520: "It could be a long afternoon for Rangers if they can't find some energy from somewhere." BBC Sportsound pundit Billy Dodds
1519: Killie goalkeeper Anssi Jakkola tips Maurice Edu's effort over the bar as Rangers look to break the deadlock.
1518: Scotland are leading England 3-0 in the early stages of their Six Nations encounter at Twickenham.
1517: Steven Whittaker works the space to get in a shot but he catches the effort with the outside of his left-foot and it drifts wide.
1515: BBC Radio Scotland pundit Billy Dodds believes Rangers are looking a little lethargic after their Europa League efforts in Eindhoven. Precious little in the way of goalmouth action in the opening 15 minutes.
1511: David Silva's curling left-foot shot is collected by Rangers goalkeeper Allan McGregor, it's still goalless at Ibrox as the sun peeks out the clouds over Govan.
1510: Holders Dundee United twice come from behind to ensure a Scottish Cup replay against Motherwell following a superb tie at Tannadice.
1508: FULL-TIME DUNDEE UTD 2-2 MOTHERWELL
1507: Motherwell press in what must be the final attack of the game but United repel the danger.
1504: Three changes for Rangers: Allan McGregor returns in goal, replacing Neil Alexander. Sasa Papac comes in for Kyle Hutton and Nikica Jelavic starts ahead of Kyle Lafferty up front. Mamadou Sissoko and Garry Hay replace the suspended Alexei Eremenko and Frazer Wright for Kilmarnock.
1503: We're into the first of four minutes of added time at Tannadice.
1501: We're under way at Ibrox as Rangers look to beat Kilmarnock and move to within two points of Celtic with a game in hand.
1500: Both sides are still pushing for a winner with five minutes remaining of a pulsating cup tie at Tannadice.
1456: Danny Swanson sprints towards the Motherwell goal but his run is halted by 'Well captain Stephen Craigan as he runs straight into the Northern Ireland international. Not much the skipper could've done to get out the way to be honest. Nevertheless, the United fans are booing and giving referee Calum Murray pelters.
1455: "United are not giving this Cup up lightly. They were two superb team goals" BBC Radio Scotland pundit Allan Preston
1450: Hit F5 folks, to refresh and correct a split description of United's second equaliser. Thanks.
Dundee Utd goal: But United draw level within a minute as a sweeping move takes them into Motherwelll territory and Danny Swanson's cross is thundered home by Jon Daly.
Motherwell goal: Stevie Hammell plays a superb one-two with Keith Lasley before sending in a low cross for John Sutton to stab the ball home and give 'Well a 2-1 lead.
1443: United full-back Paul Dixon clears Gavin Gunning's low cross for a corner and that was inches away from an own goal. We've got 20 minutes remaining. Can either side find a winner or are we destined for a replay?
1437: Humphrey comes on for Murphy as 'Well look for a way to stem the tide of United attacks: they'll be hoping to carry a greater goal threat in the remaining 25 minutes.
1436: Barry Douglas sends in a corner and substitute Jon Daly is unmarked as he sends a header over from about three yards. What a chance!
1434: A swarm of white Motherwell jerseys surround David Goodwillie and his attempted cross is cleared for a corner but the hosts can't profit. The hosts are flying now. Jon Daly comes on for Craig Conway as United boss Peter Houston shuffles his pack in search of another goal.
1432: Motherwell striker John Sutton is correctly flagged offside just as he looks to pull the trigger.
1430: Chris Humphrey is going to come on for Jamie Murphy, according to our man Jim Spence, who is trackside at Tannadice.
1428: United are looking the likelier to score and David Goodwillie is thwarted by Darren Randolph; a concerned-looking 'Well boss Stuart McCall looks on from his technical area and will be thinking about how to give his side the upper hand...
1425: Davros183 tweets using #BBCSportsound: "When will the highlights be available online? Can't wait to see Goodwillie's strike now!" We should have the highlights on our site later. It'll be worth the wait!
1421: The home fans appeal unsuccessfully for a corner as Buaben looks to evade Hutchinson's attention and get a cross into the box. There's a greater urgency about United at the start of the second half.
1420: United knock the ball about well in their first attack of the second half but after a six-pass move Barry Douglas is unlucky to see his attempted cross rebound off him and out for a goal kick.
1418: We're back under way at Tannadice.
1416: From HonestMan1910 via Twitter using #BBCSportsound: "Andy Rodgers 5th goal for Ayr v Sunnybank Juniors in the 3rd round was as good if not better than Goodwillie's."
1412: "Naismith, Broadfoot and McCulloch aren't too far away and it's important to get our players back for the business-end of the season. We'll sit down tomorrow and discuss what we're going to do (about the two-match ban for his spat with Neil Lennon). This is a massive game for us, if we win today then it gives us an opportunity to get that little bit closer to Celtic." Rangers assistant manager Ally McCoist
1406: Team news from Ibrox... Allan McGregor will be back between the sticks after missing out on the Europa League draw with PSV Eindhoven. Neil Alexander drops to the bench.
1404: Motherwell were well worthy of their early lead but David Goodwillie's wonder strike sets us up nicely for the second 45. Goodwillie's overhead kick has to be a contender for goal of the season! You can see it again in all its beauty on our highlights programme tonight 2200 on BBC Two Scotland.
1403: HALF-TIME DUNDEE UTD 1-1 MOTHERWELL
1359: "What a goal! That should be shown for weeks on end. What a strike from David Goodwillie. Make no mistake, that is goal of the season" BBC Radio Scotland pundit Allan Preston.
Dundee United goal: Keith Watson's cross into the Motherwell box conjurs a bit of magic as David Goodwillie connects with an overhead kick to rival Wayne Rooney's recent effort in the Manchester derby. Randolph gets a touch but can't keep it out. What a goal! United draw level in a cracking cup tie.
1353: Tannadice erupts as Danny Swanson is fouled by Tom Hateley but referee Calum Murray plays on and David Goodwillie can't profit as he tumbles in the box but no Motherwell defender touched him. Hateley is booked.
1352: Keith Lasley is testing the patience of referee Calum Murray. The Motherwell midfielder is on his last warning after about half a dozen fouls...
1350: 'Well keeper Darren Randolph indulges in a bit of It's A Knockout tom-foolery as he dithers on a pass-back before wildly slicing it out of play under the close attentions of David Goodwillie. Manager Stuart McCall catapults himself out the dugout like an angry bear to bellow at his keeper.
1348: Motherwell striker Francis Jeffers continues to look lively for the visitors. He always proved a great player for me on Championship Manager: lethal in front of goal and superb playing off a big target man...
1346: Prince Buaben causes alarm in the Motherwell defence with a daisy-cutter from about 25 yards but it slides wide of Randolph's left-hand post.
1345: From jtr via Twitter using #BBCSportsound: "Calum Murray should stop judging all players by Naismith's standards. Danny Swanson doesn't dive."
1343: United midfielder Danny Swanson goes into referee Calum Murray's book for a theatrical dive under the close attentions of Keith Lasley. Bit a Platoon moment there...
1340: Motherwell midfielder Keith Lasley stings the palms of United keeper Dusan Pernis with a rasping drive. Corner to the visitors but United survive.
1339: Danny Swanson threads a lovely ball through to Prince Buaben that finds the United midfielder with the aid of a deflection but his shot is easily gathered by the impressive Randolph.
1338: "Fabulous save from Darren Randolph. Absolutely world-class. He did not only get his hand on it but held it." BBC Radio Scotland pundit Allan Preston
1336: Motherwell strikers Francis Jeffers and John Sutton are ruffling a few United feathers at the back with their movement and Sutton's aerial ability. A little over 20 minutes gone and 'Well still hold that one-goal lead.
1334: What a save! Dundee United come within a whisker of an equaliser as David Goodwillie dances through a couple of challenges to fire in a wicked shot from inside the area. But Darren Randolph displays Ninja-like reflexes to grab the ball.
1332: The home fans are becoming restless with their side's sluggish start. Another promising opening is broken up by combative midfielder Keith Lasley and the visitors look dangerous on the counter attack.
1331: United fell behind to Hamilton Accies last midweek on league duty at Tannadice and managed to come back to claim maximum points. That was the first time they'd done so this season.
1329: 'Well threaten a second goal as Francis Jeffers screws his shot wide after finding himself in space about 30 yards out. Great stuff so far as both teams are keen to get the ball down and play.
1327: Motherwell captain Stephen Craigan is getting pelters from the United fans. The central defender requires treatment for a knock and he sits down on the turf. But referee Callum Murray tells him to trot off to receive the magic sponge.
1326: Dundee Utd boss Peter Houston cajoles his troops with some tactical instructions and a thunderous burst of applause.
1324: Craig Conway once again orchestrates a United attack, this time the tricky midfielder finds Barry Douglas on the overlap wide on the left but his low centre is repelled by 'Well. Good response from the shocked hosts to losing that early John Sutton goal.
1323: United have their first effort on target but Craig Conway's 25-yard free-kick is comfortably gathered by keeper Darren Randolph.
1320: Motherwell have come haring out the traps in the opening five minutes and their movement is causing United problems. The hosts are trying to get Craig Conway into the game; the home fans are stunned by that early setback...
1319: "Nobody listens. Dundee United are too small to mark zonally. Nobody there can match John Sutton." BBC Radio Scotland pundit Allan Preston points a tactical finger in United's direction
Motherwell goal: What a start for the visitors. Steve Hammell's corner finds John Sutton and the striker bullets a header past the helpless Dusan Pernis with the United defence all at sea.
1315: There's a healthy crowd inside Tannadice as the first half gets under way.
1308: Keep in touch by tweeting the commentary via the hashtag #BBCSportsound, ask me a question direct here or text me via 80295.
1307: "This is almost as good a starting 11 as United have got. Their midfield and front are looking very good. Motherwell have four centre-halves in their starting 11 and they could go to three at the back, but Stuart McCall is keeping how they will play close to his chest." BBC Radio Scotland pundit Allan Preston
1305: "I have players in there that can perform at the highest level. We have shown that against Celtic, against Rangers. We have players who will be fully committed. Dundee United are on the back of three victories and have there big players back, but we have confidence in our players as well." Motherwell manager Stuart McCall
1303: Steven Saunders and Stephen Craigan come in for the Steelmen, Ross Forbes is on the bench and Steve Jennings drops out.
1259: Dundee United manager Peter Houston brings in Danny Swanson, Prince Buaben, Craig Conway and Paul Dixon for the cup tie at Tannadice. Out go Timothy van der Meulen, David Robertson, Andis Shala and Johnny Russell.
1257: We were also hoping to bring you Inverness CT against Celtic in the Scottish Cup, but a waterlogged pitch at the Caledonian Stadium means that game will now be played on Wednesday.
Good afternoon and welcome to our coverage of Sunday's Scottish football. Holders Dundee United host Motherwell in the quarter-finals of the Scottish Cup, while SPL defending champions Rangers face Kilmarnock at Ibrox, as the title race continues.
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