Face à face
| MLB - Entraînement de printemps | 2021/03/09 20:10 | KC Royals v SEA Mariners | W | 3-6 |
| MLB Exhibition | 2020/02/29 20:10 | KC Royals v SEA Mariners | L | 9-6 |
| MLB | 2019/06/19 22:40 | KC Royals v SEA Mariners | W | 2-8 |
| MLB | 2019/06/19 02:10 | KC Royals v SEA Mariners | L | 9-0 |
| MLB | 2019/06/18 02:10 | KC Royals v SEA Mariners | L | 6-4 |
| MLB | 2019/04/11 17:15 | SEA Mariners v KC Royals | W | 7-6 |
| MLB | 2019/04/11 00:15 | SEA Mariners v KC Royals | W | 6-5 |
| MLB | 2019/04/10 00:15 | SEA Mariners v KC Royals | W | 6-3 |
| MLB | 2019/04/09 00:15 | SEA Mariners v KC Royals | W | 13-5 |
| MLB - Entraînement de printemps | 2019/03/12 01:40 | SEA Mariners v KC Royals | L | 1-5 |
| MLB - Entraînement de printemps | 2019/03/02 20:05 | SEA Mariners v KC Royals | L | 0-8 |
| MLB | 2018/07/01 20:10 | KC Royals v SEA Mariners | W | 0-1 |
| MLB | 2018/07/01 02:10 | KC Royals v SEA Mariners | W | 4-6 |
| MLB | 2018/06/30 02:10 | KC Royals v SEA Mariners | W | 1-4 |
| MLB | 2018/04/11 18:15 | SEA Mariners v KC Royals | W | 4-2 |
| MLB | 2018/04/11 00:15 | SEA Mariners v KC Royals | W | 8-3 |
| MLB | 2018/04/10 00:15 | SEA Mariners v KC Royals | L | 0-10 |
| MLB - Entraînement de printemps | 2018/03/01 20:10 | KC Royals v SEA Mariners | L | 4-3 |
| MLB Exhibition | 2018/02/27 20:05 | KC Royals v SEA Mariners | L | 14-9 |
| MLB | 2017/08/06 21:45 | SEA Mariners v KC Royals | L | 1-9 |
| MLB | 2017/08/06 18:15 | SEA Mariners v KC Royals | W | 8-7 |
| MLB | 2017/08/05 00:15 | SEA Mariners v KC Royals | W | 5-2 |
| MLB | 2017/08/04 00:15 | SEA Mariners v KC Royals | L | 4-6 |
| MLB | 2017/07/06 02:10 | KC Royals v SEA Mariners | L | 9-6 |
| MLB | 2017/07/04 22:40 | KC Royals v SEA Mariners | L | 7-3 |
| MLB | 2017/07/04 02:10 | KC Royals v SEA Mariners | L | 3-1 |
| MLB Exhibition | 2017/03/24 20:10 | SEA Mariners v KC Royals | W | 4-3 |
| MLB Exhibition | 2017/03/16 20:05 | KC Royals v SEA Mariners | W | 2-9 |
| MLB - Entraînement de printemps | 2017/02/27 19:10 | KC Royals v SEA Mariners | L | 14-3 |
| MLB | 2016/07/10 18:15 | KC Royals v SEA Mariners | W | 5-8 |