Head to Head
| MLB Exhibition | 2021/03/17 01:05 | SEA Mariners v KC Royals | W | 13-0 |
| MLB Spring Training | 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 |
Home History
| MLB | 2021/08/08 17:05 | SEA Mariners v NY Yankees | W | 3-0 |
| MLB | 2021/08/07 17:05 | SEA Mariners v NY Yankees | L | 4-5 |
| MLB | 2021/08/06 23:05 | SEA Mariners v NY Yankees | L | 2-3 |
| MLB | 2021/08/05 23:05 | SEA Mariners v NY Yankees | L | 3-5 |
| MLB | 2021/08/04 17:10 | SEA Mariners v TB Rays | L | 3-4 |
| MLB | 2021/08/03 23:10 | SEA Mariners v TB Rays | W | 4-2 |
| MLB | 2021/08/02 23:10 | SEA Mariners v TB Rays | W | 8-2 |
| MLB | 2021/08/01 18:35 | SEA Mariners v TEX Rangers | L | 3-4 |
Away History
| MLB | 2021/08/10 00:10 | NY Yankees v KC Royals | L | 8-6 |
| MLB | 2021/08/08 18:15 | KC Royals v STL Cardinals | W | 6-5 |
| MLB | 2021/08/07 23:15 | KC Royals v STL Cardinals | L | 2-5 |
| MLB | 2021/08/07 00:15 | KC Royals v STL Cardinals | L | 2-4 |
| MLB | 2021/08/06 00:10 | KC Royals v CHI White Sox | W | 3-2 |
| MLB | 2021/08/05 00:10 | KC Royals v CHI White Sox | W | 9-1 |
| MLB | 2021/08/04 00:10 | KC Royals v CHI White Sox | L | 1-7 |
| MLB | 2021/08/01 17:07 | KC Royals v TOR Blue Jays | L | 1-5 |