Head to Head
| MLB Spring Training | 2017/02/27 19:10 | KC Royals v SEA Mariners | W | 14-3 |
| MLB | 2016/07/10 18:15 | KC Royals v SEA Mariners | L | 5-8 |
| MLB | 2016/04/30 02:10 | SEA Mariners v KC Royals | L | 1-0 |
| MLB Exhibition | 2016/03/28 20:10 | SEA Mariners v KC Royals | L | 6-4 |
| MLB Exhibition | 2016/03/19 20:05 | KC Royals v SEA Mariners | W | 5-4 |
| MLB Exhibition | 2016/03/09 20:10 | SEA Mariners v KC Royals | L | 7-5 |
| MLB | 2015/09/25 00:10 | KC Royals v SEA Mariners | W | 10-4 |
Home History
| MLB Spring Training | 2017/03/15 20:05 | KC Royals v CHI White Sox | L | 3-7 |
| MLB Spring Training | 2017/03/14 20:05 | LA Angels v KC Royals | W | 4-8 |
| MLB Spring Training | 2017/03/13 20:10 | KC Royals v COL Rockies | W | 4-2 |
| MLB Spring Training | 2017/03/12 20:05 | KC Royals v LA Dodgers | L | 4-5 |
| MLB Spring Training | 2017/03/11 20:05 | KC Royals v CLE Guardians | L | 6-7 |
| MLB Spring Training | 2017/03/11 01:05 | OAK Athletics v KC Royals | L | 11-7 |
| MLB Spring Training | 2017/03/07 20:05 | KC Royals v CIN Reds | L | 3-7 |
| MLB Spring Training | 2017/03/06 20:05 | ARI Diamondbacks v KC Royals | L | 4-1 |
Away History
| MLB Spring Training | 2017/03/15 20:10 | LA Dodgers v SEA Mariners | L | 12-7 |
| MLB Spring Training | 2017/03/14 20:10 | CHI White Sox v SEA Mariners | W | 6-7 |
| MLB Spring Training | 2017/03/13 20:05 | SEA Mariners v MIL Brewers | L | 3-24 |
| MLB Spring Training | 2017/03/12 20:10 | SEA Mariners v LA Angels | L | 2-9 |
| MLB Spring Training | 2017/03/11 20:10 | SEA Mariners v CIN Reds | W | 7-6 |
| MLB Spring Training | 2017/03/10 20:10 | CHI Cubs v SEA Mariners | W | 10-11 |
| MLB Spring Training | 2017/03/09 20:05 | SEA Mariners v CHI Cubs | W | 8-6 |
| MLB Spring Training | 2017/03/09 02:10 | CLE Guardians v SEA Mariners | L | 14-6 |