Wales’ again three choices are restricted with Rogers dominated out of the England sport after struggling a fractured thumb.
His fellow wing Josh Adams sustained a hamstring damage in coaching and has not featured because the opening two Six Nations video games.
Full-back Liam Williams was dominated out of the match after sustaining a knee damage within the competitors opener towards France.
Sherratt opted to not name up any reinforcements this week with Cardiff full-back Cameron Winnett and Dragons wing Rio Dyer missed for this marketing campaign.
Gloucester wing Josh Hathaway was the one specialist squad choice remaining however Sherratt has opted to utilise Roberts out of place and put Saracens centre Tompkins on the bench.
Roberts, 24, has made 32 begins at centre for Scarlets, though he has made the odd substitute look on the wing.
“Getting the possibility to put on the shirt in any place is a large honour,” mentioned Roberts.
“I’ve by no means actually began the sport there however have a little bit of expertise. Early on once I first began to play for Scarlets, once I was on the bench and you’ve got the likes of Jonathan Davies and Johnny Williams there, I might come on the wing.”
Roberts was uncovered to 70 minutes final weekend when Rogers was compelled off.
“There may be all the time an opportunity it could actually occur being on the bench so I ready for it through the week however you by no means suppose it should occur that early,” mentioned Roberts.
“It went all proper. I made some errors not getting used to taking part in there as usually however I loved it. It was good to have the ball in a little bit of area and it was a little bit of a change.”
