MLB Prediction
Seattle Mariners vs Kansas City Royals on 9/18/2025
See the simulated matchup results between the KC and the SEA powered by MyGameSim. Get predicted scores, projected player stats, and key insights from our MLB Game Simulator.
FINAL SCORE
Spread: Seattle Mariners by 1.5 Over/Under: 9.0
Prediction Accuracy
| Winner: | Incorrect |
| vs Spread: | Incorrect |
| Over/Under: | Correct |
The predicted score is KC (2025): 4.4 - SEA (2025): 4.2, decided by < 3 runs 506 times (63.3%)
📊 Simulation Breakdown
KC (2025) 🏆 Won 439 times (54.9%)
💪 Blowout wins (>6 runs): 66 (8.3%)
SEA (2025) 🏆 Won 361 times (45.1%)
💪 Blowout wins (>6 runs): 65 (8.1%)
⏳ Extra Innings
83 (10.4%)
🎯 Close Game (<3 runs)
506 (63.3%)
💻 Total Simulations
800
Latest Lines
Spread
Kansas City Royals +1.5 N/A | Seattle Mariners -1.5 N/A
Total (O/U 9.0)
Over N/A | Under N/A
Insights ⓘ GOLD
Moneyline Edge:
Team +X.X% ⚡ Good Edge
Spread Cover:
Team covers XX% of sims ⚡
Over/Under:
XX% Over 🔥
📋 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 | -- | -- | -- | -- | -- | -- | -- | -- |
KC 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 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
KC Pitching
| Player | IP | H | R | ER | BB | SO | HR | ERA |
|---|---|---|---|---|---|---|---|---|
| Player 1 | -- | -- | -- | -- | -- | -- | -- | -- |
| Player 2 | -- | -- | -- | -- | -- | -- | -- | -- |
| Player 3 | -- | -- | -- | -- | -- | -- | -- | -- |
