All the action from Dublin's Lansdowne Road in the second of Saturday's Six Nations matches (1530 KO).
FT: Ireland 15-9 Scotland
80 mins: Scotland give away a penalty and O'Gara goes for goal in what surely is the final act of the game. He misses it though and Scotland try to launch a desperate counter attack but they knock the ball forward and the final whistle blows.
79 mins: Murphy and O'Driscoll go for the same high ball and collide heavily in mid-air. Although they are groggy, both men are okay.
75 mins: Webster weaves his way through the Ireland defence as Scotland make a rare foray into the opposing half. The Scots cannot keep the ball and Ireland are able to put the ball deep into Scotland territory.
69 mins: Paterson comes off to be replaced by Simon Webster.
68 mins: Another Scotland line-out goes awry and Ireland immediately swarm around the isolated Di Rollo. Ireland win back the ball but cannot take advantage and somehow Scotland are still only six points behind.
64 mins: The game is starting to open up as both teams start to tire. Murphy finds the gap to set up another attack but Peter Stringer's chip to the corner does not find his man.
Paul O'Connell, who has had a massive game for his side, is replaced by Donncha O'Callaghan and receives a superb ovation as he leaves the field.
62 mins: As the rain continues to fall in Dublin, Hall is put out of his misery as he is replaced by Scott Lawson.
60 mins: Unsurprisingly, Scotland lose another line-out and Ireland pile forward. Ireland are in complete control while the Scots cannot get into the game.
58 mins: After a frustrating afternoon, the half-back pairing of Parks and Mike Blair come off for Chris Cusiter and Gordon Ross.
57 mins: Scotland finally enjoy some possession and they keep the ball in hand to run at the Ireland back-line. Hogg kicks forward and Ireland wing Shane Horgan comes across to boot the ball into touch.
55 mins: PENALTY Ireland 15-9 Scotland
Scotland give away two quick penalties six metres out and O'Gara slots the ball over for the first points of the second half. Scotland prop Craig Smith comes on for Bruce Douglas.
51 mins: Ireland continue to threaten the Scots line but somehow Frank Hadden's side hold out and Southwell clears with a kick to halfway.
49 mins: A powerful rolling maul from Ireland's pack makes plenty of ground. The Irish again have quick ball, the ball is spread wide and Ulster's Andrew Trimble looks as if he is going to score in the corner but he is stopped by Southwell's desperate covering tackle.
46 mins: It's another line-out disaster for the Scots as they lose a set-piece on their own throw. Scotland will not be able to compete if this continues.
44 mins: There is a real problem for Scotland as yet another line-out turns into a mess, giving momentum to the men in green.
42 mins: Scotland have a line-out deep in their own 22 but Hall's throw is poor. Ireland sense a score but Scotland's defence holds out.
41 mins: O'Gara kicks off into the Dublin gloom to start the second half.
HT: Ireland 12-9 Scotland
40 mins: The first half ends with Scotland again on the back foot. White is forced to kick the ball out of play and Dickinson's whistle ends a scrappy and damp opening half.
39 mins: The line-out, normally such a reliable part of Scotland's set-piece work, is just not functioning in Dublin and hooker Dougie Hall is pulled up for not throwing in straight - giving Ireland more possession.
37 mins: PENALTY Ireland 12-9 Scotland
Ireland enjoy plenty of phases and Scotland's defence is again forced to work hard deep inside their own half. Scotland infringe at the breakdown and Dickinson warns skipper Jason White that another penalty will see a player in the sin bin. O'Gara meanwhile, kicks the penalty and Ireland are ahead again.
31 mins: Dan Parks' grubber kick causes havoc behind the Irish line as Murphy fails to collect the ball. The Leicester man recovers well however to kick forward and start an Ireland attack.
28 mins: PENALTY Ireland 9-9 Scotland
Scotland launch a fine counter attack after Ireland turn the ball over. Ireland infringe again to give Paterson another chance to level the scores and he strokes the ball through the posts.
24 mins: PENALTY Ireland 9-6 Scotland
Ireland pile forward again after some fine play from O'Gara, Brian O'Driscoll and Murphy. Scotland are caught offside and O'Gara forgets his last kick to put the home side ahead again.
19 mins: The game has no rhythm as yet and the scrappy opening continues when Ali Hogg falls foul of referee Stuart Dickinson. O'Gara steps up to take the kick but pushes the ball just wide.
16 mins: PENALTY Ireland 6-6 Scotland
For the first time in the game so far, Scotland punch some holes in the Ireland line through centre Andy Henderson. Geordan Murphy has a rush of blood and plays the ball without staying on his feet and Paterson adds the three points.
11 mins: PENALTY Ireland 6-3 Scotland
Scotland get a way into the game when Irish lock Malcolm O'Kelly is pinged for obstruction in front of the posts from the re-start. Chris Paterson steps up and Scotland are on the board.
9 mins: PENALTY Ireland 6-0 Scotland
Scotland again show a lack of discipline and give away a penalty when they come in at the side of a ruck. O'Gara kicks his second penalty and Ireland are deservedly six points ahead.
7 mins: Ireland are making all the running and are keeping the ball alive at every opportunity. As they near the Scotland line, O'Gara kicks through and full-back Hugo Southwell has to desperately clear the danger.
3 mins: PENALTY Ireland 3-0 Scotland
Ireland make a frantic start and roared on by the Dublin crowd, put the Scots under immense pressure. Scotland are penalised for offside and O'Gara has the simple job of kicking over the penalty.
1 mins: Scotland get the game underway and Irish fly-half Ronan O'Gara makes a fine kick to touch.
1527: The teams walk onto the field and despite the rain, both anthems sung with gusto, Ireland's Call unsurprisingly given the best reception.
1523: The rain is tipping down at Lansdowne Road as the famous Dublin stadium prepares for its final Six Nations game.
Ireland and Scotland face each other at Lansdowne Road knowing that defeat would effectively end their chances of claiming the Six Nations title.
Both teams go into the game on the back of impressive wins, Ireland thrashing reigning champions Wales 31-5 while Scotland stunned England with an 18-12 win in Edinburgh.
Ireland lock Paul O'Connell passed a fitness test on his injured shoulder and his return marks the only change to the side that defeated Wales.
Scotland restore Scott Murray and Nathan Hines to the second row while Glasgow hooker Scott Lawson replaces the injured Ross Ford on the bench.
Ireland: Murphy; Horgan, B O'Driscoll (capt), D'Arcy, Trimble; O'Gara, Stringer; Horan, Flannery, Hayes; O'Connell, O'Kelly; Easterby, Wallace, Leamy.
Replacements: R Best, S Best, O'Callaghan, M O'Driscoll, Reddan, Humphreys, Dempsey.
Scotland: Southwell; Paterson, Di Rollo, Henderson, Lamont; Parks, Blair; Kerr, Hall, Douglas; Hines, Murray; White (capt), Taylor, Hogg.
Replacements: Lawson, Smith, Kellock, Petrie, Cusiter, Ross, Webster.
Referee: Stuart Dickinson (Australia)