The Athletics (11-11) face the Seattle Mariners (10-13) on Monday, April 20, 2026 at 9:40 PM ET on Regional Sports Network. J.T. Ginn takes the mound against Emerson Hancock. Our model gives Athletics a 54% edge.
Quick Facts
| Matchup | Athletics at Seattle Mariners |
| Date | Monday, April 20, 2026 |
| First Pitch | 9:40 PM ET |
| Venue | T-Mobile Park |
| TV | Check local listings / MLB.TV |
| Streaming | MLB.TV |
| Probable Pitchers | J.T. Ginn vs Emerson Hancock |
Where to Watch ATH vs SEA
The Athletics visit the Seattle Mariners on Monday, April 20, 2026 with first pitch at 9:40 PM ET. The game will air on Regional Sports Network and can be streamed on MLB.TV.
Pitching Matchup
J.T. Ginn takes the mound for the Athletics against Emerson Hancock for the Seattle Mariners.
Matchup Analysis
The Athletics (11-11) have a 54% win probability in our model.
The Seattle Mariners (10-13) are given a 46% chance with home field advantage.
This is an AL West divisional matchup with direct implications for the division standings.
Head-to-Head
Season Series
SEA leads 1-0L 4-6 vs SEA (Mar 20)
Recent Form
Athletics — Last 5 Games
2-3 · Streak: L1L 4-7 vs Chicago White SoxApr 19
W 7-6 vs Chicago White SoxApr 18
L 2-9 vs Chicago White SoxApr 18
L 6-9 vs Texas RangersApr 16
W 6-5 vs Texas RangersApr 16
Seattle Mariners — Last 5 Games
2-3 · Streak: W2W 5-2 vs Texas RangersApr 19
W 7-3 vs Texas RangersApr 18
L 0-5 vs Texas RangersApr 18
L 2-5 @ San Diego PadresApr 17
L 6-7 @ San Diego PadresApr 16
See live scores: MLB Scores