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By Andy Campbell
1435: Well that's it from me. Thank you for all your contributions and please visit the site again to watch highlights of this match, available from midnight tonight. Highlights of Saturday's SPL games will be available on the site from 1800 GMT this evening.
A_A on My Sport says:
"YES UNITED GET IN THERE! I truly hope they can restore some belief in Scottish football and finish in first place (forget second, go for the win Wnited)."
1422: The referee blows the final whistle to end a dramatic match. United coming from behind to beat Celtic for the first time since August 1999. Celtic remain second in the Scottish Premier League table while United go level on points with third-place Hibernian.
FULL-TIME Dundee United 2-1 Celtic
1421: The match is deep into injury time now. Can Celtic find a leveller or will United see out the win?
1419: Another Danny Swanson corner provides a goal as Darren Dods heads the ball past Lukasz Zaluska.
GOAL Dundee United 2-1 Celtic
1418: Danny Swanson's 30-yard free-kick is beaten away by Celtic goalkeeper Lukasz Zaluska.
1415: Niall McGinn slams the ball into the net but the midfielder had already been flagged offside.
"Both sides are going to have a real go at each other." BBC Radio Scotland pundit Murdo MacLeod
1412: Danny Swanson swings in a corner and the unmarked Jon Daly bullets a header into the net. The striker scoring in his first appearance of the season.
GOAL Dundee United 1-1 Celtic
1410: Final substitution for Celtic as Niall McGinn comes on for Scott McDonald
1404: Should the scores stay the same, Celtic will return to the top of the Scottish Premier League.
1402: Jon Daly almost makes an immediate impact as he heads over with the goal gaping but the offside flag was up in any event.
1402: Third substitution for United with Jon Daly replacing Damian Casalinuovo.
1400: Barry Robson sends Nicky Weaver the wrong way to find the net. It's Robson's first goal of the season and his first against former club United.
GOAL Dundee United 0-1 Celtic
1359: Celtic are awarded a penalty after Barry Robson is felled by Darren Dods, who is booked.
1358: Jennison Myrie-Williams and Danny Fox are spoken to by referee Dougie McDonald after an altercation off the ball.
1356: Georgios Samaras collects Barry Robson's raking cross at the back post but Andy Webster nicks the ball away to safety.
1355: Jennison Myrie-Williams gets to the by-line and cuts the ball back but Gary Caldwell makes an important saving challenge.
1353: Stubborn defending by United halts Scott McDonald's progress towards goal.
1351: Dundee United make a double substitution with Danny Swanson and David Goodwillie coming on in place of Craig Conway and Danny Cadamarteri
1350: Scott McDonald cannot get on the end of Georgios Samaras' driven cross.
1347: Celtic make a substitution with Georgios Samaras and replacing Marc-Antoine Fortune.
1342: Darren Dods heads a corner back across goal and Mihael Kovacevic nods the ball against the Celtic crossbar.
1341:Prince Buaben belts a shot towards goal and Celtic goalkeeper Lukasz Zaluska denies his former club with a save.
1339: Gary Caldwell chips to the back post and Marc-Antoine Fortune leisurely brings the ball down before seeing his shot smothered by Nicky Weaver.
1337: Jennison Myrie-Williams meanders towards the penalty area and drags a shot wide of the Celtic goal.
"You just wonder if Tony Mowbray will think about bringing Niall McGinn on to change the pace of the match." BBC Radio Scotland pundit Murdo MacLeod
1334: The second half kicks off with no changes made to either side.
sgtpeppersabbeyroad on My Sport says:
"Fortune looks like a player with no self-belief at the moment, hopefully he will come good in the second half but how long before Samaras comes on?"
1330: Second half is on its way. Can either side make the breakthrough after the break?
Sky Blue Bally Kid on My Sport says:
"Celtic will really have to make more of the space they are getting on the wings and in behind United's defence. For all the pressure, Weaver's only made one save."
2o-DeMoN-o9 on My Sport says:
"This match is nothing, it's all about the MG ALBA Cup in Scotland today, Dundee vs. Inverness CT, that's where all the fun will be, free on the BBC!"
Remember the Dundee v Inverness game is live on BBC ALBA and there will be commentary from McDiarmid Park on BBC Radio Scotland 810 MW and online.
1317: An extremely competitive first half draws to a close to give us all a bit of a breather.
HALF-TIME Dundee United 0-0 Celtic
1315: Landry N'Guemo's dangerous free-kick is headed clear and from the resulting corner, Jennison Myrie-Williams mounts and counter-attack and is eventually fouled by Glenn Loovens, who receives a yellow card.
"The boys have been on it and it's fine so there are no excuses about the pitch today. Zheng Zhi came in yesterday ill so he didn't travel." Celtic manager Tony Mowbray chats to BBC Scotland's Chick Young before kick-off.
1209: Team news from Tannadice. Darren Dods and Danny Cadamarteri come in for Garry Kenneth and David Goodwillie. Scott McDonald replaces Georgios Samaras and Paddy McCourt also drops out with Marc Crosas coming in.
1206: Dundee United host Celtic in Sunday's only Scottish Premier League match.
1203: Welcome to Sunday's Scottish Premier League action.
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