Select season:
Northern Ireland's oldest players during the 1973 season, and their age in years and days on the occasion of their final appearance, starting or coming on as a substitute.
For each player age is given in days, and in years and days, from their date of birth.
| Player | Age (Y:d) | Age (days) | Match |
|---|---|---|---|
| Derek Dougan | 35:25 | 12809 | 14 Feb 1973v Cyprus |
| Terry Neill | 31:11 | 11334 | 19 May 1973v Wales |
| Danny Hegan | 29:245 | 10838 | 14 Feb 1973v Cyprus |
| Willie McFaul | 29:219 | 10812 | 08 May 1973v Cyprus |
| David Craig | 28:345 | 10572 | 19 May 1973v Wales |
| Pat Jennings | 27:341 | 10203 | 19 May 1973v Wales |
| David Clements | 27:246 | 10108 | 19 May 1973v Wales |
| Allan Hunter | 26:323 | 9820 | 19 May 1973v Wales |
| Tommy Jackson | 26:197 | 9694 | 19 May 1973v Wales |
| Sammy Morgan | 26:167 | 9664 | 19 May 1973v Wales |
| George Best | 26:149 | 9646 | 18 Oct 1972v Bulgaria |
| Bryan Hamilton | 26:149 | 9646 | 19 May 1973v Wales |
| Eric McMordie | 26:67 | 9564 | 18 Oct 1972v Bulgaria |
| Robert Coyle | 25:108 | 9240 | 19 May 1973v Wales |
| Liam O'Kane | 24:325 | 9091 | 08 May 1973v Cyprus |
| Pat Rice | 24:63 | 8829 | 19 May 1973v Wales |
| Sammy Nelson | 23:361 | 8762 | 28 Mar 1973v Portugal |
| Bertie Lutton | 22:310 | 8346 | 19 May 1973v Wales |
| Trevor Anderson | 22:77 | 8113 | 19 May 1973v Wales |
| Martin O'Neill | 21:78 | 7749 | 19 May 1973v Wales |