bayesRatings

Mariners at Astros

MLB · Friday, Aug 14 · 7:10 PM CT · Daikin Park · Final SEA 7 – HOU 10

Final Box Score

from the game summary
Team12345678910THE
SEA20000102027120
HOU140000000510120
Team box
SEA·HOU
12
hits
12
0
home runs
2
4
walks
3
11
strikeouts
7
170
pitches thrown
190
0
errors
0
Top hitters
PlayerTeamH-ABRHRRBI
Christian WalkerHOU2-5213
Isaac ParedesHOU2-5003
Victor RoblesSEA3-5102
Yordan AlvarezHOU2-4111
Josh NaylorSEA2-4101
Dominic CanzoneSEA2-4101
Pitchers
PitcherTeamIPHERBBK
George KirbySEA4.28532
Andres Munoz (L)SEA0.24401
Peter LambertHOU5.04226
Enyel De Los Santos (W)HOU1.01100

For context, not in our forecast.

Game Flow

score margin
HOU +3
SEA +3
12345678910
largest lead: HOU 3 · SEA 2lead changes: 3

For context, not in our forecast.

Final · our forecast was SEA 47%, HOU 53% · Updated Aug 14

Expected margin
Even
Expected score
HOU 4.5 – 4.1 SEA
Expected total
8.6
MarinersThe matchupAstros
+111Our fair odds−111
4.1Expected runs4.5
−0.04Power rating−0.00
3.8Runs / game4.6
4.1Allowed / game4.8
7.5Hits / game8.2
1.16Home runs / game1.33
3.3Walks drawn / game3.4
57−65Season record62−60
3−7Last 105−5

Prediction markets

Kalshi · Polymarket US · ProphetX · Novig
SEA chance · HOU chance
Our model fair47.4%52.6%
Kalshi48.7%55.7%
Polymarket USno two-sided price
ProphetXno two-sided price
Novigno two-sided price
Full price table
TeamOur modelfairKalshipre-game · 7:10 PM CTPolymarket US ProphetX Novig 
Moneyline
SEASeattle Mariners+11147%+10548.7%———
HOUHouston Astros−11153%−12655.7%———
Spreadabout even
SEASeattle Mariners+0.3our margin————
HOUHouston Astros−0.3our margin————
Totalwe expect 8.6
Over8.6our total————
Under8.6our total————

These are each venue’s last prices before the start (Kalshi’s moneyline: its pre-game close). Odds are the price to buy that side now, taker fee included; the small percent is the implied chance of that same price. Highlighted is the best price in the row among venues on the same line. — means not listed (hover or tap for why). A market price is not the true chance of winning.

Margin range

Even game expected
Seattle Mariners by 13 runs: <1%Seattle Mariners by 12 runs: <1%Seattle Mariners by 11 runs: <1%Seattle Mariners by 10 runs: 1%Seattle Mariners by 9 runs: 1%Seattle Mariners by 8 runs: 1%Seattle Mariners by 7 runs: 2%Seattle Mariners by 6 runs: 3%Seattle Mariners by 5 runs: 4%Seattle Mariners by 4 runs: 5%Seattle Mariners by 3 runs: 7%Seattle Mariners by 2 runs: 10%Seattle Mariners by 1 run: 14%Houston Astros by 1 run: 14%Houston Astros by 2 runs: 10%Houston Astros by 3 runs: 7%Houston Astros by 4 runs: 6%Houston Astros by 5 runs: 4%Houston Astros by 6 runs: 3%Houston Astros by 7 runs: 2%Houston Astros by 8 runs: 2%Houston Astros by 9 runs: 1%Houston Astros by 10 runs: 1%Houston Astros by 11 runs: <1%Houston Astros by 12 runs: <1%Houston Astros by 13 runs: <1%
← SEA wins byHOU wins by →
Houston Astros wins by 2 or more38%
Houston Astros wins by 3 or more28%
Seattle Mariners wins by 2 or more33%
Decided by one run29%

Centered on the expected margin above; shape from each team's expected runs, with ties after nine settled as one-run games, matched to 14,698 past MLB games.

Total range

8.6 expected
1 runs: 2%2 runs: 2%3 runs: 7%4 runs: 5%5 runs: 11%6 runs: 7%7 runs: 12%8 runs: 8%9 runs: 10%10 runs: 6%11 runs: 8%12 runs: 5%13 runs: 5%14 runs: 3%15 runs: 3%16 runs: 2%17 runs: 2%18 runs: 1%19 runs: 1%20 runs: <1%21 runs: <1%22 runs: <1%23 runs: <1%
Total runs, both teams
Total over 6.566%
Total over 8.546%
Total over 10.530%
Total from 7 to 1037%

Centered on the expected total above; shape from each team's expected runs, with ties after nine settled as one-run games, matched to 14,698 past MLB games.

Starting Pitchers

from the box score
SEAGeorge Kirby SP · last 3 starts: 16.0 IP, 4.50 ERA, 8 Kstarted
HOUPeter Lambert SP · last 3 starts: 15.2 IP, 3.45 ERA, 17 Kstarted

Starting pitchers are part of our forecast.

Rest and Schedule

before this game
SEA·HOU
Aug 13 at NYY
last game
Aug 12 at SF
0 days
days of rest
1 day
6
games in last 7 days
6
4th straight road game
home / road
home after a road game

For context, not in our forecast.

Team Comparison

2026 season · box-score averages from 122+ games
SEA·HOU
−0.04
rating (0 = average)
−0.00
3.8
runs / game
4.6
4.1
runs allowed / game
4.8
57−65
season record
62−60
33−29
home record
30−29
24−36
away record
32−31
W1
streak
W1
3−7
last 10
5−5
7.5
hits / game
8.2
1.16
home runs / game
1.33
3.3
walks drawn / game
3.4
8.5
batter strikeouts / game
8.1
8.5
pitcher strikeouts / game
8.7
0.49
errors / game
0.43

Rating Trend

SEA · HOU · 139 days
Seattle MarinersHouston Astros
Rating (0 = average team)

Head to Head

last 10 meetings · HOU 1−9
May 14at HOUSEA 8 − 3
May 13at HOUHOU 4 − 3
May 12at HOUSEA 10 − 2
May 11at HOUSEA 3 − 1
Apr 13at SEASEA 6 − 2
Apr 12at SEASEA 6 − 1
Apr 11at SEASEA 8 − 7
Apr 10at SEASEA 9 − 6
Sep 21, 2025at HOUSEA 7 − 3
Sep 20, 2025at HOUSEA 6 − 4

SEA · Last 10

3−7 · streak W1
Aug 13at NYY1 − 0W
Aug 12at NYY5 − 10L
Aug 11at NYY1 − 4L
Aug 9vs TB1 − 4L
Aug 8vs TB2 − 3L
Aug 7vs TB1 − 2L
Aug 6vs DET0 − 11L
Aug 5vs DET4 − 2W
Aug 4vs DET0 − 8L
Aug 2vs MIN7 − 6W

HOU · Last 10

5−5 · streak W1
Aug 12at SF2 − 1W
Aug 11at SF1 − 4L
Aug 10at SF6 − 3W
Aug 9at SD2 − 7L
Aug 8at SD2 − 3L
Aug 7at SD6 − 3W
Aug 5vs TOR4 − 5L
Aug 4vs TOR7 − 2W
Aug 3vs TOR1 − 3L
Aug 2vs TEX7 − 3W