Talking to BBC Radio Gloucestershire earlier than each gamers had been for scans, director of rugby George Skivington stated: “I do not suppose both look precisely optimistic.”
“[It was] pretty innocuous for Max however a good sufficient bang, we simply hope it is on the lesser aspect of it than too severe.
“However I believe each of these are going to be a doubtlessly respectable sufficient rehab interval.”
Llewellyn performed in three of Wales’ 4 internationals final month however now joins captain Jac Morgan on the sidelines forward of the Six Nations in eight weeks.
The 26-year-old missed two matches earlier within the marketing campaign for Gloucester however Skivington stated this was a brand new harm.
Versatile Joseph has performed in all six of Gloucester’s Prem fixtures since signing this summer season and began on the wing for his or her newest European match.
“[He] bought his ankle caught between a few our bodies. He is non-weight bearing in the mean time. The very fact he is on crutches most likely is not an incredible signal,” Skivington added.
Gloucester are again in European motion on Saturday with a visit to Munster earlier than returning to the Prem on 19 December – away at Leicester – adopted by a house fixture with Saracens on 27 December.
The Cherry and Whites do nevertheless have vice-captain Arthur Clark and Jack Clement obtainable for the primary time because the opening match of the season in a lift to their ahead pack.
