IT hasn't just been boss Bernard Jackman and the coaching team giving Jared Rosser work-ons since the Dragons winger made his professional debut against Leinster last season.

The 20-year-old speedster, who will line up on the right flank against the Guinness PRO14 champions on Saturday (kick-off 5.15pm), has a critic closer to home.

They are not quite the Abersychan Underwoods just yet, but Jared is playing on the wing for the Dragons seniors and his younger brother Ewan is making an impression with the region's under-18s.

Rosser may be a Wales Sevens international and played at two World Rugby U20 Championships but little brother, who toured South Africa with Wales Under-18s last summer, isn't shy at pointing out his shortcomings.

"My brother is coming through and is a winger as well with the Dragons Under-18s," said Jared. "He is picking up things in my game and I am picking up things in his game, it's good.

"He is quite a critic – he has an answer for everything! If any of the coaches miss anything, which I very much doubt they will, then he will pick it up.

"If he doesn't then my dad Lee, who was a winger with Pontypool and Abertillery, will!"

The Rossers are both focusing on rugby after previously impressing on the track with Cwmbran Harriers.

Jared showed signs of his pace and finishing in a breakthrough 2017/18 that started with an appearance off the bench in the season-opener against Leinster and finished in red-hot try scoring form.

The winger scored seven tries in the final seven games of the season, including a hat-trick in the defeat to Zebre in L'Aquila.

A hamstring injury meant that Rosser started the current campaign on the sidelines but he made an impressive return to the fray in Ystrad Mynach on September 15 while Jackman's seniors were in Dublin.

News filtered through ahead of the 52-10 loss to Leinster in the Irish capital that the A team were running riot against Connacht Eagles with Rosser eventually helping himself to five tries.

However, the winger knows that the step up from Celtic Cup to PRO14 is a big one and is grafting hard on all parts of his game.

"Every area of your position, for a winger it's high balls or in defence, gets tested," he said.

"You need to make sure you are on top of all of those skills because there is never a game that goes by when a part of your skills base is not tested.

"Hallam Amos helps out a lot and I keep on top of it with Alan Kingsley and Barry Maddocks (skills coach and backs coach). They call it IDPs – individual development plans – and staying on top of that is really big."

Rosser has made big strides since making his regional debut in the 39-16 loss to Leinster in September, 2017.

"That was a very nervous day for me," he said. "It was overwhelming and I was happy to just be on the pitch, now I am trying to leave a mark on the game. I feel a lot more confident going into games."

Rosser showed that with a double against Edinburgh last Sunday in a vital 18-12 victory but this weekend's clash against the European champions is likely to feature lots of work at the other end.

"In the past two or three weeks have changed our defensive policy so we are excited to try it out against one of the best outfits," he said. "We're looking forward to it and can take a lot of confidence from Edinburgh."