MLB Prediction
Seattle Mariners vs Houston Astros on 9/21/2025
See the simulated matchup results between the HOU and the SEA powered by MyGameSim. Get predicted scores, projected player stats, and key insights from our MLB Game Simulator.
FINAL SCORE
The predicted score is HOU (2025): 3.7 - SEA (2025): 4.3, decided by < 3 runs 494 times (61.8%)
MATCHUP SIMULATION STATS
HOU vs. SEA
(2025)
» HOU won 350 times (43.8%)
» HOU won by > 6 runs 56 times (7.0%)
(2025)
» SEA won 450 times (56.3%)
» SEA won by > 6 runs 89 times (11.1%)
PROJECTED PLAYER STATS
Only Game Sim+ subscribers have access to view Projected Stats 
SEA Hitting
| Player | AB | R | H | RBI | BB | SO | 2B | 3B | HR | AVG | OBP | SLG | SB |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Player 1 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Player 2 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Player 3 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Player 4 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Player 5 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Player 6 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Player 7 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Player 8 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Player 9 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
SEA Pitching
| Player | IP | H | R | ER | BB | SO | HR | ERA |
|---|---|---|---|---|---|---|---|---|
| Player 1 | -- | -- | -- | -- | -- | -- | -- | -- |
| Player 2 | -- | -- | -- | -- | -- | -- | -- | -- |
| Player 3 | -- | -- | -- | -- | -- | -- | -- | -- |
HOU Hitting
| Player | AB | R | H | RBI | BB | SO | 2B | 3B | HR | AVG | OBP | SLG | SB |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Player 1 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Player 2 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Player 3 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Player 4 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Player 5 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Player 6 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Player 7 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Player 8 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Player 9 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
HOU Pitching
| Player | IP | H | R | ER | BB | SO | HR | ERA |
|---|---|---|---|---|---|---|---|---|
| Player 1 | -- | -- | -- | -- | -- | -- | -- | -- |
| Player 2 | -- | -- | -- | -- | -- | -- | -- | -- |
| Player 3 | -- | -- | -- | -- | -- | -- | -- | -- |
