Donal Lenihan is expecting Andy Farrell's Ireland side to adopt a tried and tested template against Scotland in their Six Nations clash on Sunday at Murrayfield.

While there are calls for a more expansive game plan in attack, a more structured game based around territory and set-piece supremacy has tended to see Ireland emerge victorious in their most recent match-ups against Scotland.

Speaking on RTÉ's Morning Ireland ahead of Friday's naming of the starting XV and match-day squad, former Ireland captain Lenihan predicted that Farrell will go for what has tended to work previously, albeit against an opponent that is improving on its past weaknesses at set-piece.

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"We've had the measure of Scotland over the past number of years. We've won the last five in a row and I think we've won nine out of 10 and the vast majority of them have been based on dominating the set-piece, playing the territorial game and Scotland have improved in that area," he said.

"This is a very good Scottish team. Paul O'Connell reckons they're the best that he's come across. But there are doubts about them.

"If it's the Scottish side that dismantled England in Twickenham, then it's going to be a difficult day for Ireland.

"But there's still that mental brittleness about them. They were well in control against Wales up to the point where Zander Fagerson got sent off and then they just collapsed.

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"So I think Ireland will probably go for that territorial game early on, look to dominate Scotland and then maybe pick up the tempo from there." 

In terms of selection, Lenihan expects minimal changes to the expected starting team but feels the main focus will be on scrum-half, following Conor Murray's return from injury.

"Conor Murray is available, but it looks as if it's [Jamison] Gibson-Park and Andy Farrell will stick with him, with Conor Murray on the bench," he said.

Follow Scotland v Ireland (kick-off 3pm, Sunday) via our live blog on RTE.ie and the RTÉ News app or listen live on RTÉ Radio 1's Sunday Sport. Highlights on Against the Head on RTÉ2 and RTÉ Player, 8pm Monday.