Leinster coach Robin McBryde admits the province need 'a few fix-ups' at the scrum, after another inconsistent performance at the setpiece on Saturday.

Despite winning 16 games from 16 in all competitions this season, they have struggled at times in the scrum, and notably in each of the last three games against Ospreys, Gloucester and most recently Racing 92, where they conceded two penalties and a free-kick off the six scrums in the game.

And while they've yet to be made pay in the current campaign, Leinster's scrum specialist McBryde says it's something they're working to address.

"We need to get a few things right," the Welshman said.

"We're in constant contact with the referees, or the heads of referees with regards to the pictures they're seeing, so that’s a constant dialogue going back and forth.

"That aside, we’ve come up against a very good Ospreys team, a very strong scrum as well. It’s good sometimes to just get that little bit of a wake-up call that we’re not quite where we think we should be.

"It’s definitely a few fix-ups we need to get right ahead of the weekend."

The province will be heavily depleted for Saturday's visit of Cardiff to the RDS (live on RTÉ2 and RTÉ Player), with 20 members of their squad having been called up to Ireland's Six Nations squad.

As such, the meeting with Cardiff will present an opportunity for some of the fringe players in the squad, as well as some academy prospects to make a name for themselves.

Leinster trained at their UCD base today ahead of Saturday's meeting with Cardiff

The final game before the Six Nations has been a fruitful one for Leinster in recent years. Twelve months ago Joe McCarthy was handed his senior debut in this round of games, also versus Cardiff, while in the final pre-Six Nations game in 2021 Jamie Osborne made a try-scoring impression on his debut away to the Scarlets.

And McBryde says this week represents a big opportunity to impress.

"In fairness, they've been champing at the bit to get an opportunity. They've been providing opposition for the starting team a lot of the time, so hopefully they can step up and use all that good work, the experience of training against the starting team, put it to good use this weekend.

"It’s a great opportunity, we’ll be coming up against a very cohesive Cardiff team.

"I know they [Cardiff] were unlucky at the weekend, but they’ve built up a fair bit of momentum and are going well, so it'll be a stern challenge. They’ve got plenty of experience in their ranks as well, so you’ll get great accurate feedback with these players who are getting the opportunity.

"We have the privilege of seeing these guys train week-in, week-out against what is in effect an international setup with the number of players we’ve got in the Ireland camp. You’re able to get a good measure of where they’re at against each other in training. It’s very exciting to see these guys training and having an opportunity at the weekend."

There are no fresh injury concerns heading into the week, with Caelan Doris and Josh van der Flier both cleared to link up with the Ireland squad, having picked up minor injuries in Saturday's win against Racing 92.

However, the province earlier confirmed that second row Charlie Ryan (above) has been forced to retire at the age of 23, after a longstanding knee injury.

The former Ireland U20 captain, who led the 2019 side to a Six Nations Grand Slam, had progressed from the Leinster academy to a senior contract at the start of this season, although his recurring knee issue meant he never represented the first team.

"I finish my career deeply grateful to Leinster Rugby. Firstly, to Leo and the coaching staff for showing belief in me as a person and player despite my injury struggle," Ryan said.

"The signing of a senior contract with my boyhood club was one of my proudest moments, there's nothing more the club could have done for me with respect to this injury.

"I leave the club at peace mentally due to the tireless work of the medical team. Every possible avenue to success was explored."

Ryan is the injury retirement in the Leinster squad so far this season, with James Tracy confirming his retirement before Christmas due to an ongoing neck issue.