Select season:
USA's youngest players during the 1989 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 measured in days, and in years and days, from their date of birth to the day of their first appearance.
| Player | Age (Y:d) | Age (days) | Match |
|---|---|---|---|
| Tony Meola | 20:101 | 7406 | 02 Jun 1989v Benfica |
| Peter Vermes | 21:234 | 7905 | 13 Jul 1988v Poland |
| Marcelo Balboa | 21:251 | 7922 | 16 Apr 1989v Costa Rica |
| Frank Klopas | 21:315 | 7986 | 13 Jul 1988v Poland |
| John Harkes | 22:39 | 8075 | 16 Apr 1989v Costa Rica |
| John Doyle | 22:119 | 8155 | 13 Jul 1988v Poland |
| Bruce Murray | 22:169 | 8205 | 13 Jul 1988v Poland |
| Tab Ramos | 22:207 | 8243 | 16 Apr 1989v Costa Rica |
| Mike Windischmann | 22:219 | 8255 | 13 Jul 1988v Poland |
| Brian Bliss | 22:288 | 8324 | 13 Jul 1988v Poland |
| Steve Trittschuh | 23:80 | 8481 | 13 Jul 1988v Poland |
| Desmond Armstrong | 23:253 | 8654 | 13 Jul 1988v Poland |
| Jimmy Banks | 23:314 | 8715 | 13 Jul 1988v Poland |
| Eric Eichmann | 24:26 | 8792 | 02 Jun 1989v Benfica |
| Jeff Duback | 24:190 | 8956 | 13 Jul 1988v Poland |
| Hugo Perez | 24:279 | 9045 | 13 Aug 1988v Jamaica |
| Paul Caligiuri | 25:99 | 9231 | 17 Jun 1989v Guatemala |
| David Vanole | 25:168 | 9300 | 24 Jul 1988v Jamaica |
| John Stollmeyer | 25:261 | 9393 | 13 Jul 1988v Poland |