Steffan Thomas starts for the Ospreys at loosehead, with Lewis Lloyd lining up at hooker and Rhys Henry completing the front three.
Rhys Davies and James Fender start in the second row. Ross Moriarty lines up at six, Harri Deaves takes up the other flank and Morgan Morse starts at eight.
Luke Davies starts at scrum half with Jack Walsh at ten. Keiran Williams partners Connor Moyse in the centre.
In the back three, Max Nagy starts at full back, with Iestyn Hopkins on one wing and Luke Morgan on the other.
The fixture is played before Ospreys head off to start the league campaign in South Africa on the 27th September against Bulls and the Stormers on October 3rd, before a first home fixture against Zebre Parma on Saturday, 11 October.
Ospreys Starting XV:
1 Steffan Thomas, 2 Lewis Lloyd, 3 Rhys Henry, 4 Rhys Davies, James Fender, 6 Ross Moriarty, 7 Harri Deaves,
8 Morgan Morse
9 Luke Davies, 10 Jack Walsh (captain), 11 Iestyn Hopkins, 12 Keiran Williams, 13 Connor Moyse, 14 Luke Morgan,
15 Max Nagy
Replacements:
Ethan Lewis, Dylan James, Ben Warren, Ben Roberts, Huw Sutton, Harri Williams, Phil Cokansiga, Tom Florence, Efan Daniel, Tom Botha, Lewis Jones, Gwilym Evans, Caelan Carson-Jones, Owen Erasmus, Ieuan Cornelius, Harri Houston.
[Lead image: Ospreys Rugby]