2034: The teams are back on the pitch at McDiarmid Park, with St Johnstone manager Derek McInnes making a positive change - winger Jennison Myrie-Williams replaces defender Steven Anderson.

2032: "I generally believe the "honest mistakes" are down to incompetence but I'm still waiting for the incompetence to go our way!" Mark in Glasgow responds to Uruguay Bluenose by texting 80295

2030: Manuel Pascali's header is clutched by Rangers goalkeeper Neil Alexander.

2029: "One thing you don't want to do in a cup tie against Rangers is go 1-0 down and then stand off them. But that's what Kilmarnock are doing." says BBC Radio Scotland pundit Billy Dodds.

2027: As I write bemoaning the lack of chances, Mehdi Taouil finds space 20 yards from goal but sends his shot high and wide.

2027: The game at Rugby Park is swinging from end to end - no real chances for either side at the moment though.

2022: Steve from Turriff has texted 80295 to ask "Can you tell me when the draw is for the semis?" Gladly, Steve, the draw will be made on Friday 29 October at 1430 BST.

2018: As half-time comes upon us at McDiarmid Park Saints goalscorer Sam Parkin almost grabs a second, but Forster manages to parry his effort from only a couple of yards out.

2016:From UruguayBluenose On My Sport: "Can someone tell me when it stops being a conspiracy and starts just being good ol' fashioned incompetence?"

2013: St Johnstone keeper Graeme Smith tips away a ferocious Georgios Samaras drive after the galloping Greek broke free in the box.

2010: A goal out of nothing. Steven Naismith lays the ball onto Andrew Little and the youngster blasts the ball into the top corner.

2006: Some scrappy play from Kilmarnock sees them concede possession but Andrew Little's shot poses no problems for Cammy Bell.

2005: "Another shocking linesman decision against Celtic," says Pete in Edinburgh via the magic of texting 80295.

2003: It seemed to have gone unusually quiet at McDiarmid Park. Graeme Smith's long punt is headed on by Danny Grainger and Sam Parkin outmuscles the hapless Glenn Loovens to fire the ball past Fraser Forster.

2001: A contentious decision at Perth with Joe Ledley flagged offside when he looked onside and clean through on goal, what will Neil Lennon say now?

2001: Killie goalkeeper Cammy Bell dives low to claim a David Weir header. With Steven Naismith ready to pounce for a tap-in, it was important the stopper kept a hold of the ball.

2000: "I don't think Rangers have started yet. Kilmarnock have been the better side." BBC Radio Scotland pundit Billy Dodds.

1959: Referee Mike Tumilty waves play on after Steven Naismith goes down in the box under the challenge of Mahamadou Sissoko.

1958: A colleague is suggesting that St Johnstone defender Alan Maybury bears more than a passing resemblance to Vincent from 1980s TV serial Beauty and the Beast, starring Linda Hamilton. Surely that's a bit harsh.

1956:From JodyMorris4England On My Sport: "I can't say I'm overly surprised at this. We aren't great at the back, especially against pace and McInnes refuses to put everyone behind the ball when we play the Old Firm."

1952: Liam Kelly puts the ball into the net but the Kilmarnock celebrations are short-lived as the offside flag disallows the goal.

1953: Rangers captain David Weir picks up an early booking after taking Alexei Eremenko out of the game with a tug.

1952: "Saints are having kittens at the back every time Celtic come forward." BBC Scotland commentator Liam McLeod on the Perth side's early jitters.

1952:From Dave On My Sport: "St Johnstone putting up a good fight then I see - Masterchef on BBC2 is a more competitive affair."

1950: Kilmarnock are making the early running at Rugby Park but have yet to fashion out a decent chance.

1948: "Three chances and three finishes, you can't get much better than that." BBC Radio Scotland pundit Craig Paterson

1946:Amidst the goal glut in Perth, Kilmarnock and Rangers kick-off at Rugby Park.

1946: Not even thirteen minutes gone at McDiarmid Park and Celtic are three goals to the good, Stokes doubling his tally for the night sweeping the ball home from close range from a McGin cross.

1944: Disaster for St Johnstone as Nial McGinn taps home the rebound after Graeme Smith parries Ki Sung-Yeung's free-kick to double Celtic's lead.

1942: "A terrific finish from a predator. Saints didn't get it clear and it's a fabulous finish. Great start from Celtic." BBC Radio Scotland pundit Craig Paterson

1941: Anthony Stokes hands Celtic an early lead with a half-volley from the edge of the box.

1937: It's fair to say it's not been a classic so far at McDiarmid Park. "Both teams trying to find their passing rhythm," says BBC Scotland's Craig Paterson which pretty much sums it up.

1934:Full teams from Rugby Park: Kilmarnock: Bell, Hamill, Sissoko, Wright, Gordon, Kelly, Pascali, Bryson, Taouil, Eremenko, Sammon. Subs: Letheren, Clancy, Hay, Rui Miguel, Silva. Rangers: Alexander, Broadfoot, Bougherra, Weir, Whittaker, Weiss, McCulloch, Edu, Wylde, Little, Naismith. Subs: McGregor, Miller, Fleck, McMillan, Hutton. Referee: M Tumilty

1933: Celtic's Georgios Samaras has the privilege of the first effort of the evening - a decently-struck shot, but straight at Saints keeper Graeme Smith.

1930: We're underway at McDiarmid Park, with BBC Scotland's Chick Young confidently predicting there will be no upsets tonight. A worrying prediction for Old Firm fans!

1921:From mountainview-motel On My Sport: "So who is tonight's referee? Oh wait...I don't care! Lets just look at the players tonight, if they do well, praise them, if they do badly then criticise them, not the man in the middle who has 22 players trying to con him all match."

1917: "There's plenty of oxygen in the air." We're assured by Kilmarnock manager Mixu Paatelainen. We would certainly hope so.

1914: One change for Kilmarnock from the team which lost to Inverness on Saturday. David Silva drops out and Mehdi Taouil starts.

1912: Team news from McDiarmid Park. St Johnstone: Smith, Anderson, MacKay, Duberry, Maybury, Millar, Davidson, Craig, Grainger, Samuel, Parkin. Subs: Enckelman, Rutkiewicz, MacDonald, Myrie-Williams, Haber. Celtic: Forster, Cha, Majstorovic, Loovens, Izaguirre, McGinn, Ki, Ledley, Stokes, Hooper, Samaras. Subs: Zaluska, Juarez, Crosas, McCourt, Mulgrew. Referee: C Thompson

1910: Just as a reminder, kick-off tonight in Perth is at 1930 BST and 1945 BST at Rugby Park. That's half-past seven and quarter to eight for those of you still working in imperial measures.

1907: A further update from BBC Scotland's Chick Young at Rugby Park - Kyle Lafferty has pulled out of the Rangers starting line-up due to a stomach bug and Steven Naismith steps in for the Northern Irishman. Chick assures us we don't want to know any more details of Lafferty's illness.

1901: Team news from Rugby Park. Rangers make five changes to the side that started Sunday's match against Celtic. Neil Alexander, Kirk Broadfoot, Andrew Little, Vladimir Weiss and Gregg Wylde start while Allan McGregor, Sasa Papac, Steven Naismith, Steven Davis and Kenny Miller drop out.

1900: Welcome to this evening's live text commentary of the second two quarter-finals in the Co-operative Insurance Cup.