Alun Wyn Jones is set to become the most-capped player in Test rugby when Wales conclude their Six Nations campaign against Scotland on Saturday.
Wales captain Jones will break the record set by New Zealand great Richie McCaw when he makes his 149th appearance at Parc y Scarlets this weekend.
The 35-year-old lock made his international debut in 2006 and has featured in 139 Tests for Wales and nine with the British and Irish Lions.
Head coach Wayne Pivac said: "It's a fantastic day for Alun Wyn, isn't it. What can you say? We don't have enough time to talk about the guy. Just a tremendous leader in this group, leads by example.
"When he speaks, everyone listens. He's always matter of fact, to the point. Just a fantastic guy to have in our environment and I'm so pleased he's going to be able to do that.
"He's had to wait longer than we anticipated with the summer tour [called] off, but certainly to do it in a Six Nations match will be special for him."
Jones will be joined in the second row against Wales by Will Rowlands, who was handed a first Wales start by Pivac as one of six changes that also saw debutant Shane Lewis-Hughes and Tomas Francis named among the forwards.
George North makes way for Liam Williams on the wing and drops out of the 23-man squad, while Gareth Davies starts at scrum-half due to Rhys Webb's injury and Owen Watkin returns at centre.
Wales: Leigh Halfpenny, Liam Williams, Jonathan Davies, Owen Watkin, Josh Adams, Dan Biggar, Gareth Davies; Rhys Carre, Ryan Elias, Tomas Francis, Will Rowlands, Alun Wyn Jones, Shane Lewis-Hughes, Justin Tipuric, Taulupe Faletau.
Replacements: Sam Parry, Wyn Jones, Dillon Lewis, Cory Hill, James Davies, Lloyd Williams, Rhys Patchell, Nick Tompkins.