Amongst the forwards, Bradley Davies comes in for James Goode, Scott Roberts in for Taufa'ao Filise, who is with the Pacific Islands squad, and Duane Goodfield replaces Gareth Williams.
Mark Lewis returns to the bench after recovering from injury and is joined by Rhys Gill and Glamorgan Wanderers scrum half Gareth Williams.
Young is unable to select Tom Shanklin, Mike Phillips, Martyn Williams, Rob Sidoli, Rhys Thomas and Gethin Jenkins, all of whom are on Wales duty, and Gary Powell is suspended.
Meanwhile Connacht have made two changes to the side which played Glasgow Warriors on the 3rd November. Conor McPhillips comes into the squad after some impressive form for Galwegians in recent weeks and is named in place of Gavin Williams. New signing Ryan Strudwick, having made his first appearance for Connacht in the 'A' match against Ulster on Tuesday, could well make his full debut against the Blues on Saturday and is named in the squad in place of Michael Swift.
Blues: B Blair; M Luveitasau, J Robinson, M Stcherbina, C Czekaj; N Robinson, W Evans; J Yapp, D Goodfield, S Roberts, D Jones, B Davies, S Morgan, R Shellard, X Rush (capt).
Replacements: R Gill, G Williams, J Goode, M Lewis, G Williams-Davies, N Macleod, T James
Connacht Squad: Andrew Farley, Adrian Flavin, John Fogarty, David Gannon, John Hearty, Ray Hogan, Chris Keane, Keith Matthews, Mark McHugh, Conor McPhillips, Matt Mostyn, John Muldoon, Brendan O'Connor, Ray Ofisa, Conor O'Loughlin, Colm Rigney, Daniel Riordan, Ryan Strudwick, Brett Sturgess, Paul Warwick, Brett Wilkinson, Darren Yapp.