The Dragons make the late change with Sage replacing Jack Dixon who misses the game with illness.
Dragons (v Gloucester Rugby): Jordan Williams, Dafydd Howells, Tyler Morgan, Jarryd Sage, Hallam Amos, Josh Lewis, Rhodri Williams; Ryan Bevington, Richard Hibbard, Leon Brown, Brandon Nansen, Cory Hill (c), Huw Taylor, Aaron Wainwright, Lewis Evans
Replacements: Elliot Dee, Brok Harris, Lloyd Fairbrother, Joe Davies, Nic Cudd, Tavis Knoyle, Gavin Henson, Tiaan Loots, Matthew Screech, James Benjamin, Adam Warren, George Gasson, Joe Goodchild, Will Talbot-Davies