So quins have named a shadow team.
Gilroy stank the place out last week, so Faddes in is a big plus. Treadwell has been going fairly well this season, so him for O'Connor is similar.
Quins have dropped out Chris Robshaw, Danny Care, Joe Marler, and Marcus Smith.
If we can't win this now, we've no errand near the knockouts.
Ulster:
15. Jacob Stockdale
14. Matt Faddes
13. Luke Marshall
12. Stuart McCloskey
11. Louis Ludik
10. Billy Burns
9. John Cooney
1. Eric O'Sullivan
2. Rob Herring
3. Marty Moore
4. Kieran Treadwell
5. Iain Henderson (captain)
6. Sean Reidy
7. Jordi Murphy
8. Marcell Coetzee
Replacements:
16. Adam McBurney
17. Andrew Warwick
18. Tom O'Toole
19. Alan O'Connor
20. Matthew Rea
21. David Shanahan
22. Bill Johnston
23. Craig Gilroy
Harlequins:
15. Ross Chisholm
14. Vereniki Goneva
13. James Lang
12. Francis Saili
11. Cadan Murley
10. Brett Herron
9. Martin Landajo
1. Santiago Garcia Botta
2. Elia Elia
3. Kyle Sinckler (captain)
4. Stephan Lewies
5. Tevita Cavubati
6. Will Evans
7. Semi Kunatani
8. Alex Dombrandt
Replacements:
16. Jack Musk
17. Nick Auterac
18. Simon Kerrod
19. Dino Lamb
20. James Chisholm
21. Niall Saunders
22. Paul Lasike
23. Travis Ismaiel