Ulster's new signing John Cooney is in line to make his international debut after the scrumhalf was named among the replacements for Ireland fixture versus Japan at the Ajinomoto Stadium in Tokyo on Saturday.
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It will also be a big day for Kieran Treadwell who is included in the starting XV for the first time following an impressive performance off the bench in the first Test last week.
Ulster backs Paddy Jackson, Luke Marshall and Jacob Stockdale will all start, while Sean Reidy is also in the 23 man panel.
Captain Rhys Ruddock lines out on the blindside flank and is joined in the backrow by Jack Conan at No.8 and Josh van der Flier at openside. Devin Toner is paired with Treadwell in the second row while James Tracy comes in at hooker in a front row that also contains Cian Healy and John Ryan.
Kieran Marmion returns to his more accustomed role at scrumhalf to partner Jackson at flyhalf. Marshall comes back in having started against the USA to play alongside Garry Ringrose in midfield. Andrew Conway switches to fullback with Keith Earls and Stockdale named on the wings.
Cooney and Reidy are joined on the bench by Niall Scannell, Dave Kilcoyne, Andrew Porter, James Ryan, Sean Reidy, Rory Scannell and Tiernan O'Halloran.
The match kicks off at 14:40 local time (06:40 Irish time).
IRELAND v Japan – Ajinomoto Stadium, Tokyo, Japan:
15. Andrew Conway (Munster) 2 caps
14. Keith Earls (Munster) 61 caps
13. Garry Ringrose (Leinster) 10 caps
12. Luke Marshall (Ulster) 10 caps
11. Jacob Stockdale (Ulster) 1 cap
10. Paddy Jackson (Ulster) 24 caps
9. Kieran Marmion (Connacht) 15 caps
1. Cian Healy (Clontarf) 69 caps
2. James Tracy (Leinster) 3 caps
3. John Ryan (Munster) 8 caps
4. Kieran Treadwell (Ulster) 1 cap
5. Devin Toner (Leinster) 49 caps
6. Rhys Ruddock (Leinster, captain) 15 caps
7. Josh van der Flier (Leinster) 8 caps
8. Jack Conan (Leinster) 3 caps
Replacements:
16. Niall Scannell (Munster) 6 caps
17. Dave Kilcoyne (Munster) 19 caps
18. Andrew Porter (Leinster) 1 cap
19. James Ryan (Leinster) 1 cap
20. Sean Reidy (Ulster) 1 cap
21. John Cooney (Ulster) uncapped
22. Rory Scannell (Munster) 2 caps
23. Tiernan O'Halloran (Connacht) 5 caps
It will also be a big day for Kieran Treadwell who is included in the starting XV for the first time following an impressive performance off the bench in the first Test last week.
Ulster backs Paddy Jackson, Luke Marshall and Jacob Stockdale will all start, while Sean Reidy is also in the 23 man panel.
Captain Rhys Ruddock lines out on the blindside flank and is joined in the backrow by Jack Conan at No.8 and Josh van der Flier at openside. Devin Toner is paired with Treadwell in the second row while James Tracy comes in at hooker in a front row that also contains Cian Healy and John Ryan.
Kieran Marmion returns to his more accustomed role at scrumhalf to partner Jackson at flyhalf. Marshall comes back in having started against the USA to play alongside Garry Ringrose in midfield. Andrew Conway switches to fullback with Keith Earls and Stockdale named on the wings.
Cooney and Reidy are joined on the bench by Niall Scannell, Dave Kilcoyne, Andrew Porter, James Ryan, Sean Reidy, Rory Scannell and Tiernan O'Halloran.
The match kicks off at 14:40 local time (06:40 Irish time).
IRELAND v Japan – Ajinomoto Stadium, Tokyo, Japan:
15. Andrew Conway (Munster) 2 caps
14. Keith Earls (Munster) 61 caps
13. Garry Ringrose (Leinster) 10 caps
12. Luke Marshall (Ulster) 10 caps
11. Jacob Stockdale (Ulster) 1 cap
10. Paddy Jackson (Ulster) 24 caps
9. Kieran Marmion (Connacht) 15 caps
1. Cian Healy (Clontarf) 69 caps
2. James Tracy (Leinster) 3 caps
3. John Ryan (Munster) 8 caps
4. Kieran Treadwell (Ulster) 1 cap
5. Devin Toner (Leinster) 49 caps
6. Rhys Ruddock (Leinster, captain) 15 caps
7. Josh van der Flier (Leinster) 8 caps
8. Jack Conan (Leinster) 3 caps
Replacements:
16. Niall Scannell (Munster) 6 caps
17. Dave Kilcoyne (Munster) 19 caps
18. Andrew Porter (Leinster) 1 cap
19. James Ryan (Leinster) 1 cap
20. Sean Reidy (Ulster) 1 cap
21. John Cooney (Ulster) uncapped
22. Rory Scannell (Munster) 2 caps
23. Tiernan O'Halloran (Connacht) 5 caps