Seattle Mariners · Away
TBD
Probable starter not listed in MLB schedule yet. Stats will fill in after sync picks up the assignment.
Seattle Mariners vs Kansas City Royals
2:0
Final
H2H 4–3
KC · Home · 43-61
Kansas City Royals
Starting pitchers
Kansas City Royals · Home
TBD
Probable starter not listed in MLB schedule yet. Stats will fill in after sync picks up the assignment.
Matchup data not built yet. Run build-matchups from admin.
Head to head (2025–2026)
4—3
Seattle Mariners lead series
7 meetings total
2025-09-18
Seattle Mariners @ Kansas City Royals
2–0
SEA
2025-09-17
Seattle Mariners @ Kansas City Royals
5–7
KC
2025-09-16
Seattle Mariners @ Kansas City Royals
12–5
SEA
2025-07-03
Kansas City Royals @ Seattle Mariners
3–2
KC
2025-07-02
Kansas City Royals @ Seattle Mariners
2–3
SEA
Team picture · 2026
SEA
KC
Team AVG
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