The Kansas City Royals (13-19) face the Seattle Mariners (16-17) on Sunday, May 03, 2026 at 4:10 PM ET on Regional Sports Network. Kris Bubic takes the mound against Luis Castillo. Our model gives Seattle Mariners a 62% edge.
Quick Facts
| Matchup | Kansas City Royals at Seattle Mariners |
| Date | Sunday, May 03, 2026 |
| First Pitch | 4:10 PM ET |
| Venue | T-Mobile Park |
| TV | Check local listings / MLB.TV |
| Streaming | MLB.TV |
| Probable Pitchers | Kris Bubic vs Luis Castillo |
Where to Watch KC vs SEA
The Kansas City Royals visit the Seattle Mariners on Sunday, May 03, 2026 with first pitch at 4:10 PM ET. The game will air on Regional Sports Network and can be streamed on MLB.TV.
Pitching Matchup
Kris Bubic takes the mound for the Kansas City Royals against Luis Castillo for the Seattle Mariners.
Matchup Analysis
The Kansas City Royals (13-19) have a 38% win probability in our model.
The Seattle Mariners (16-17) are given a 62% chance with home field advantage.
Head-to-Head
Season Series
SEA leads 2-1L 8-8 vs SEA (Feb 25)L 3-4 @ SEA (Mar 10)W 7-6 @ SEA (May 02)
Recent Form
Kansas City Royals — Last 5 Games
3-2 · Streak: W1W 7-6 @ Seattle MarinersMay 02
L 3-6 @ AthleticsApr 30
L 2-5 @ AthleticsApr 30
W 4-1 @ AthleticsApr 29
W 11-9 vs Los Angeles AngelsApr 26
Seattle Mariners — Last 5 Games
3-2 · Streak: L1L 6-7 vs Kansas City RoyalsMay 02
W 5-3 @ Minnesota TwinsApr 29
W 7-1 @ Minnesota TwinsApr 28
L 4-11 @ Minnesota TwinsApr 27
W 3-2 @ St. Louis CardinalsApr 26
See live scores: MLB Scores