Coach Allen Clarke will have to plan without captain Peter O'Mahony, following a citing, when the Ireland U-20s play New Zealand in their second Junior World Championship pool game in Nagoya on Tuesday evening (kick off: 11am Irish time).
Rhys Ruddock will start in the no. 8 spot in place of O’Mahony who is unavailable after being suspended for one match following a citing during the opening game against Argentina. Ruddock's older brother Ciaran will lead the side in O'Mahony's absence.
Leinster centre Eamon Sheridan steps up from the bench for Johnny Shiels. Ulster tight-head Adam Macklin comes into the side, with Jack McGrath switching to loose-head and Paddy McAllister dropping to the bench.
IRELAND U20 (v New Zealand U20):
15- Ian Madigan (Blackrock College/Leinster)
14- David Kearney (Lansdowne/Leinster)
13 - Nevin Spence (Ballynahinch/Ulster)
12- Eamonn Sheridan (Lansdowne/Leinster)
11 - Michael Keating (Clontarf/Leinster)
10 - Ian McKinley (UCD/Leinster)
9- Matthew Healy (Lansdowne/Leinster)
1 -Jack McGrath (St.Mary’s College/Leinster)
2- Thomas Sexton (Old Belvedere/Leinster)
3-Adam Macklin (Belfast Harlequins/Ulster)
4-Ciaran Ruddock (Neath/Exiles) Captain
5 -Mark Flanagan (UCD/Leinster)
6 -Dominic Ryan (Lansdowne/Leinster)
7-Brian O'Hara (U.L. Bohemians/Munster)
8-Rhys Ruddock (Millfield School/Exiles).
16-David McGregor (Ballynahinch/Ulster)
17-Paddy McAllister (Ballynahinch/Ulster)
18-Joe Moran (Galwegians/Connacht)
19-David O'Callaghan (UCC/Munster)
20-Conor Murray (Garryowen/Munster)
21-Andrew Burke (Garryowen/Munster)
22-Shane Gahan (Lansdowne/ Leinster).