bayesRatings

Astros at Padres

MLB · Saturday, Aug 8 · 6:15 PM CT · Petco Park · Final HOU 2 – SD 3

Final Box Score

from the game summary
Team123456789THE
HOU010000001251
SD10110000351
Team box
HOU·SD
5
hits
5
1
home runs
1
3
walks
4
11
strikeouts
5
130
pitches thrown
158
1
errors
1
Top hitters
PlayerTeamH-ABRHRRBI
Jackson MerrillSD1-4112
Taylor TrammellHOU1-2111
Yainer DiazHOU1-1001
Jose AltuveHOU1-4000
Christian WalkerHOU1-2100
Isaac ParedesHOU1-4000
Pitchers
PitcherTeamIPHERBBK
Peter Lambert (L)HOU5.05233
Michael King (W)SD6.03116
Mason Miller (S)SD1.01101

For context, not in our forecast.

Game Flow

score margin
SD +3
HOU +3
123456789
largest lead: SD 2 · HOU 0lead changes: 0

For context, not in our forecast.

Final · our forecast was HOU 47%, SD 53% · Updated Aug 8

Expected margin
Even
Expected score
SD 4.3 – 4.1 HOU
Expected total
8.4
AstrosThe matchupPadres
+111Our fair odds−111
4.1Expected runs4.3
+0.01Power rating+0.05
4.7Runs / game4.2
4.9Allowed / game4.4
8.3Hits / game7.8
1.36Home runs / game1.05
3.4Walks drawn / game3.4
60−57Season record60−57
8−2Last 106−4

Prediction markets

Kalshi · Polymarket US · ProphetX · Novig
HOU chance · SD chance
Our model fair47.5%52.5%
Kalshi49.7%54.7%
Polymarket USno two-sided price
ProphetXno two-sided price
Novigno two-sided price
Full price table
TeamOur modelfairKalshipre-game · 6:15 PM CTPolymarket US ProphetX Novig 
Moneyline
HOUHouston Astros+11147%+10149.7%———
SDSan Diego Padres−11153%−12154.7%———
Spreadabout even
HOUHouston Astros+0.2our margin————
SDSan Diego Padres−0.2our margin————
Totalwe expect 8.4
Over8.4our total————
Under8.4our 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
Houston Astros by 12 runs: <1%Houston Astros by 11 runs: <1%Houston Astros by 10 runs: 1%Houston Astros by 9 runs: 1%Houston Astros by 8 runs: 1%Houston Astros by 7 runs: 2%Houston Astros by 6 runs: 3%Houston Astros by 5 runs: 4%Houston Astros by 4 runs: 5%Houston Astros by 3 runs: 7%Houston Astros by 2 runs: 10%Houston Astros by 1 run: 14%San Diego Padres by 1 run: 16%San Diego Padres by 2 runs: 10%San Diego Padres by 3 runs: 7%San Diego Padres by 4 runs: 6%San Diego Padres by 5 runs: 4%San Diego Padres by 6 runs: 3%San Diego Padres by 7 runs: 2%San Diego Padres by 8 runs: 1%San Diego Padres by 9 runs: 1%San Diego Padres by 10 runs: 1%San Diego Padres by 11 runs: <1%San Diego Padres by 12 runs: <1%
← HOU wins bySD wins by →
San Diego Padres wins by 2 or more37%
San Diego Padres wins by 3 or more27%
Houston Astros wins by 2 or more34%
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

8.4 expected
1 runs: 2%2 runs: 2%3 runs: 7%4 runs: 5%5 runs: 11%6 runs: 8%7 runs: 12%8 runs: 8%9 runs: 10%10 runs: 6%11 runs: 7%12 runs: 4%13 runs: 5%14 runs: 3%15 runs: 3%16 runs: 2%17 runs: 1%18 runs: 1%19 runs: 1%20 runs: <1%21 runs: <1%22 runs: <1%
Total runs, both teams
Total over 6.565%
Total over 8.545%
Total over 10.528%
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
HOUPeter Lambert SP · last 3 starts: 16.2 IP, 3.24 ERA, 17 Kstarted
SDMichael King SP · last 3 starts: 17.0 IP, 4.24 ERA, 18 Kstarted

Starting pitchers are part of our forecast.

Rest and Schedule

before this game
HOU·SD
Aug 7 at SD
last game
Aug 7 vs HOU
0 days
days of rest
0 days
6
games in last 7 days
7
2nd straight road game
home / road
2nd straight home game

For context, not in our forecast.

Team Comparison

2026 season · box-score averages from 117+ games
HOU·SD
+0.01
rating (0 = average)
+0.05
4.7
runs / game
4.2
4.9
runs allowed / game
4.4
60−57
season record
60−57
30−29
home record
32−26
30−28
away record
28−31
W1
streak
L1
8−2
last 10
6−4
8.3
hits / game
7.8
1.36
home runs / game
1.05
3.4
walks drawn / game
3.4
8.1
batter strikeouts / game
8.2
8.8
pitcher strikeouts / game
8.1
0.43
errors / game
0.39

Rating Trend

HOU · SD · 133 days
Houston AstrosSan Diego Padres
Rating (0 = average team)

Head to Head

last 10 meetings · SD 4−6
Aug 7at SDHOU 6 − 3
Apr 20, 2025at HOUSD 3 − 2
Apr 19, 2025at HOUHOU 3 − 2
Apr 18, 2025at HOUHOU 6 − 4
Sep 18, 2024at SDSD 4 − 0
Sep 17, 2024at SDHOU 4 − 3
Sep 16, 2024at SDSD 3 − 1
Sep 10, 2023at HOUHOU 12 − 2
Sep 9, 2023at HOUHOU 7 − 5
Sep 8, 2023at HOUSD 11 − 2

HOU · Last 10

8−2 · streak W1
Aug 7at SD6 − 3W
Aug 5vs TOR4 − 5L
Aug 4vs TOR7 − 2W
Aug 3vs TOR1 − 3L
Aug 2vs TEX7 − 3W
Aug 1vs TEX5 − 4W
Jul 31vs TEX11 − 2W
Jul 29at LAA7 − 4W
Jul 28at LAA3 − 2W
Jul 27at LAA6 − 4W

SD · Last 10

6−4 · streak L1
Aug 7vs HOU3 − 6L
Aug 6at ARI5 − 1W
Aug 5at ARI4 − 10L
Aug 4at ARI9 − 4W
Aug 3at ARI1 − 5L
Aug 2vs SF5 − 4W
Aug 1vs SF6 − 5W
Jul 31vs SF7 − 0W
Jul 30vs SF1 − 4L
Jul 29vs COL3 − 1W