Hallam Amos and Tyler Morgan have both been released back and are available for selection as Head Coach Bernard Jackman selects his squad to face the Scottish side.
Dragons will name the team to face Edinburgh on Friday lunchtime.
Dragons are back on home soil this Sunday as they face Edinburgh Rugby at Rodney Parade (kick-off 5.30pm). To buy online click HERE or visit the Rodney Parade Ticket Office during office hours.
