Friday's PRO12 teams: Cian Healy returns for Leinster

Leinster welcome back key trio Cian Healy, Isa Nacewa and Mike Ross for Friday's Guinness PRO12 visit of Zebre while the Scarlets hand a debut to David Bulbring against Edinburgh.

Leinster v Zebre (7.30pm)

Ireland props Cian Healy and Mike Ross return from injury as Leinster attempt to extend their unbeaten run to 10 PRO12 games.

Captain Isa Nacewa has also recovered from a knee problem and is named on the left wing, with Josh van der Flier selected at openside flanker following his release by Ireland.

Cathal Marsh and Isaac Boss are the half-back partnership while Zebre include former All Blacks and Connacht full-back Mils Muliaina among their replacements.

Leinster: 15 Zane Kirchner, 14 Adam Byrne, 13 Garry Ringrose, 12 Ben Te'o, 11 Isa Nacewa (c), 10 Cathal Marsh, 9 Isaac Boss; 1 Cian Healy, 2 James Tracy, 3 Mike Ross, 4 Ross Molony, 5 Hayden Triggs, 6 Dominic Ryan, 7 Josh van der Flier, 8 Jordi Murphy.

Replacements: 16 Sean Cronin, 17 Peter Dooley, 18 Michael Bent, 19 Tom Denton, 20 Dan Leavy, 21 Luke McGrath, 22 Noel Reid, 23 Cian Kelleher.

Zebre: 15 Ulrich Beyers, 14 Dion Berryman, 13 Tommaso Boni, 12 Matteo Pratichetti, 11 Kayle Van Zyl, 10 Maicol Azzolini, 9 Luke Burgess; 1 Bruno Postiglioni, 2 Oliviero Fabiani, 3 Guillermo Roan, 4 Gideon Koegelenberg, 5 Marco Bortolami (c), 6 Emiliano Caffini, 7 Johan Meyer, 8 Jean Cook.

Replacements: 16 Emiliano Coria, 17 Andrea De Marchi, 18 Pietro Ceccarelli, 19 Federico Ruzza, 20 Filippo Cristiano, 21 Giulio Toniolatti, 22 Mils Muliaina, 23 Abou Souare.

Ulster v Glasgow (7.30pm, live on Sky Sports 3 HD)

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Ulster: 15 Stuart Olding, 14 Craig Gilroy, 13 Darren Cave, 12 Stuart McCloskey, 11 Jacob Stockdale, 10 Sam Windsor, 9 Ruan Pienaar; 1 Callum Black, 2 Rob Herring (c), 3 Ricky Lutton, 4 Alan O'Connor, 5 Franco van der Merwe, 6 Robbie Diack, 7 Sean Reidy, 8 Nick Williams.

Replacements: 16 John Andrew, 17 Kyle McCall, 18 Bronson Ross, 19 Chris Henry, 20 Roger Wilson, 21 Paul Marshall, 22 Paddy Jackson, 23 Sammy Arnold.

Glasgow Warriors: 15 Peter Murchie, 14 Lee Jones, 13 Glenn Bryce, 12 Sam Johnson, 11 Rory Hughes, 10 Gregor Hunter, 9 Ali Price; 1 Ryan Grant, 2 Pat MacArthur, 3 Sila Puafisi, 4 Greg Peterson, 5 Leone Nakarawa, 6 Rob Harley, 7 Simone Favaro, 8 Ryan Wilson (c).

Replacements: 16 James Malcolm, 17 Alex Allan, 18 D'arcy Rae, 19 Josh Strauss, 20 Chris Fusaro, 21 Grayson Hart, 22 Peter Horne, 23 Taqele Naiyaravoro.

Scarlets v Edinburgh (8.15pm)

Scarlets debutant David Bulbring partners fellow South African George Earle in the second row while prop Peter Edwards makes his first PRO12 start since November.

Regan King returns at outside centre while Aled Davies is named on the bench following his release from the Wales camp. Fellow replacement Rhodri Jones will make his 100th appearance for the region if introduced.

Edinburgh have won just once on their last five visits to Wales and they make five changes to the team that lost at Cardiff Blues last month.

Damien Hoyland and Sam Beard return to the backline while Anton Bresler and Ben Toolis form a new-look second row.

Scarlets: 15 Michael Collins, 14 Gareth Owen, 13 Regan King, 12 Hadleigh Parkes (c), 11 DTH van der Merwe, 10 Steven Shingler, 9 Rhodri Williams, 1 Phil John, 2 Kirby Myhill, 3 Peter Edwards, 4 George Earle, 5 David Bulbring, 6 Aaron Shingler, 7 Will Boyde, 8 Morgan Allen. 

Replacements: 16 Ryan Elias, 17 Dylan Evans, 18 Rhodri Jones, 19 Rory Pitman, 20 Steff Hughes, 21 Aled Davies, 22 Aled Thomas, 23 Steff Evans.

Edinburgh: 15 Greig Tonks, 14 Damien Hoyland, 13 Michael Allan, 12 Sam Beard, 11 Tom Brown, 10 Phil Burleigh, 9 Nathan Fowles; 1 Rory Sutherland, 2 Neil Cochrane, 3 John Andress, 4 Anton Bresler, 5 Ben Toolis, 6 Mike Coman (c), 7 Hamish Watson, 8 Cornell Du Preez.

Replacements: 16 George Turner, 17 Allan Dell, 18 Simon Berghan, 19 Alex Toolis, 20 Jamie Ritchie, 21 Sean Kennedy, 22 Blair Kinghorn, 23 Dougie Fife.