Petrie switch for Glasgow

Other changes see returns to the starting XV for Graeme Beveridge (scrum half), Craig Hamilton (lock) and Steve Swindall (back row).

Glasgow Warriors: 15 Graydon Staniforth;14 Hefin O'Hare, 13 Graeme Morrison, 12 Andy Henderson, 11 Rory Lamont; 10 Dan Parks, 9 Graeme Beveridge; 1 Kevin Tkachuk, 2 Scott Lawson, 3 Euan Murray; 4 Tim Barker' 5 Craig Hamilton; 6 Steve Swindall, 8 John Beattie, 7 Jon Petrie (CAPTAIN)
Substitutes:16 Fergus Thomson, 17 Lee Harrison, 18 Dan Turner, 19 John Barclay, 20 Sam Pinder, 21 Colin Gregor, 22 Mike Roberts

Unavailable due to injury: Scott Barrow (groin), Stuart Corsar (knee), Paul Dearlove (head (stitches)), Calvin Howarth (ankle), Donnie Macfadyen (knee), Ben Prescott (shoulder), Colin Shaw (knee), Andrew Wilson (ankle).