Changes on the replacements' bench see the inclusion of Nick Walne and Deiniol Jones.
The Blues need to win tomorrow's match and secure a bonus point to retain any hopes of participation in a Heineken Cup play-off match in Italy at the end of May.
Team: Nick Macleod; Chris Czekaj, Rhys Williams, Tristan Davies, Craig Morgan; Nick Robinson, Ryan Powell; John Yapp, Gareth Williams, Gethin Jenkins, Craig Quinnell, Robert Sidoli, Robin Sowden-Taylor, Kort Schubert, Martyn Williams (captain)
Replacements: Ben Evans, Rhys Thomas, Deiniol Jones, Maama Molitika, Nathan Thomas, Dean Dewdney, Nick Walne
Referee: Alan Lewis (Ireland)
Watch the Dragons v Connacht game in the Clubhouse on Saturday live on s4c - the match kicks off at 5.30pm (over 18s only).