SEA vs COL prediction for September 20, 2026: Our Monte Carlo simulation ran 10,000 game iterations and projects COL 6.1 - SEA 5.8. COL is favored with a 56.7% win probability. The run line is 1.5 and the total is 10.5. Model projects 12.0 total runs.
COL
6.1
Projected Score
VS
O/U 10.5
SEA
5.8
Projected Score
Win Probability
COLSEA
+1.5
Run Line (COL)
10.5
Total Line
10,000
Simulations
Calibrated accuracy at this confidence: 59.4% (3,908 games)
Projected Runs Range 10th – 90th percentile
SEA
468
COL
468
Starting Pitcher Matchup
Kade Anderson L
SEA
usagewhiffbar labels show usage · mph
FF42%94 mph18% whiff
SL26%88 mph21% whiff
CH18%85 mph27% whiff
Tomoyuki Sugano R
COL
usagewhiffbar labels show usage · mph
FS21%87 mph29% whiff
FF21%92 mph14% whiff
SI19%92 mph4% whiff
Weather Impact
Coors Field
69°F5 mph wind
HR: 1.095 Total: 1.047
thin air
Bullpen Comparison
SEA
4.12ERA
4.16FIP
8.69K/9
3.34BB/9
1.34WHIP
COL
4.81ERA
4.30FIP
7.84K/9
4.21BB/9
1.50WHIP
Betting Edges
First 5 Innings & NRFI
SEA F5
3.4 runs
41.9% win
COL F5
3.7 runs
46.7% win
F5 Total
7.1
NRFI
39.7%
YRFI
60.3%
Avg 1st Inn Runs
1.52
HR Spotlight
Injury Report
SEA8 injured
Nick Davila RP60-DAY-IL
Matt Brash RP60-DAY-IL
Brendan Donovan 3B7-DAY IL
Brennen Davis CF60-DAY-IL
Colt Emerson SS60-DAY-IL
Emerson Hancock SP15-DAY-IL
+2 more
COL7 injured
Willi Castro 2B10-DAY-IL
Chase Dollander SP60-DAY-IL
Welinton Herrera RP60-DAY-IL
McCade Brown SP60-DAY-IL
RJ Petit RP60-DAY-IL
Pierson Ohl RP60-DAY-IL
+1 more
AI Intelligence Analysis
Edge Analysis
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How this prediction was generated: This page shows output from the Olympus Bets MLB Baseball Monte Carlo engine. Each game is simulated 10,000 times using real-time team data, injury reports, and current odds. Probabilities are calibrated using Bayesian methods and sized via the Kelly Criterion. Probabilities are calibrated using Bayesian methods and sized via the Kelly Criterion. Full methodology →
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Permanent record: this game page is retired 90 days after the event. The full graded MLB 2026 record — every pick, win rate, units and ROI — lives on the MLB 2026 season report card.