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Seattle Mariners vs Houston Astros

Sunday, Aug 16, 2026Daikin Park7:20 PM ETPreview
SEA · Away · 58-66

Seattle Mariners

AL West · 5th · 5.0 GB
:
7:20 PM ET
H2H 85
HOU · Home · 63-61

Houston Astros

AL West · 1st · —
Starting pitchers

B. Woo

RHP · Bryan Woo
Season (2026)
4.15
ERA
#105 MLB
1.10
WHIP
#35 MLB
9.0
K/9
#61 MLB
1.9
BB/9
#10 MLB
vs HOU · career
3.00
ERA
.182
OPP AVG
9
K
6.0 IP1 GS1.00 WHIP
23 GS132.1 IP1.9 BB/9132 K (24.9%)
Starter form · last 5 starts
HOT
ERA better in last 5 0.29
SEASON ERA
4.15
LAST 5 ERA
3.86
5
DAYS REST
40%
QS (L5)
0/5
BLOW-UP (L5)
LAST 5 STARTS (EARNED RUNS)
07/18
2
07/25
5
07/30
5
08/05
0
08/11
0
↓ ERA trending down lately
COLD
Recent form near season pace
SEASON ERA
3.68
LAST 5 ERA
3.81
5
DAYS REST
40%
QS (L5)
0/5
BLOW-UP (L5)
LAST 5 STARTS (EARNED RUNS)
07/19
4
07/25
0
07/31
2
08/05
3
08/11
3
↑ ERA trending up lately
Matchup edge
PITCHING
Seattle
HITTING
Astros
BULLPEN
Seattle
OVERALL EDGE
Seattle 2 - 1
◆ Matchup preview

Seattle Mariners at Houston Astros (2026-08-16). Bryan Woo vs Hunter Brown at Daikin Park.

Bryan Woo limits the long ball effectively with a 0.88 HR9 while maintaining a 4.15 ERA across 132.1 innings. The right-hander owns an 8-8 record alongside a 1.10 WHIP and an 8.98 K/9. Across his last three outings, he delivered lines of 5 IP/0 ER/5 K/1 BB, 7 IP/0 ER/5 K/1 BB, and 5 IP/5 ER/8 K/2 BB, keeping his season BB/9 down at 1.90 with a downward trend. Hunter Brown most recently posted 5 IP/3 ER/4 K/3 BB, preceded by outings of 6 IP/3 ER/8 K/2 BB and 5.2 IP/2 ER/5 K/2 BB. Through 63.2 innings of work, he holds a 3-2 record, a 3.68 ERA, and a 1.27 WHIP. Brown exhibits an upward trend while generating a 9.47 K/9 against a 4.95 BB/9 and a 1.13 HR9.

The Mariners offense has produced 486 runs with a .230 batting average and a .686 OPS, entering this contest with a 3-7 mark over their past ten games. On the mound, Seattle's pitching staff sports a 3.86 ERA and a 1.21 WHIP. Houston counters with an offense that has compiled 574 runs, a .244 batting average, and a .732 OPS while splitting their last ten games 5-5. The Astros pitching staff carries a 4.60 ERA paired with a 1.36 WHIP.

Key facts
Bryan Woo 1.90 BB/9Houston Astros .732 OPSSeattle Mariners 3.86 team ERA
Lineup not yet announced · posted ~1–2 hrs before first pitch
Matchup snapshot
CURRENT FORM · LAST 10
Seattle 3-7
WLWLLLLLLW
HEAD TO HEAD · 2025–2026 (13 GAMES)
Seattle 8 - 5 Astros
Last meeting: SEP 21, 2025
Seattle 7 - 3 Astros
CURRENT FORM · LAST 10
Astros 5-5
LWWLWLLWLW
Projected hitters vs RHP / RHP
Seattle vs RHP
Avg OPS 0.7992 hot hittersTop: Canzone 0.887 · Arozarena 0.850 · Rodden 0.800

Projected sample — season splits vs pitcher hand, not official order.

Astros vs RHP
Avg OPS 0.8441 hot hitterTop: Alvarez 1.125 · Walker 0.781 · Peña 0.779

Projected sample — season splits vs pitcher hand, not official order.

Seattle Mariners hitters vs RHP (projected)
Batter
AVG
OPS
HR
0.273
0.887
19
0.292
0.850
16
0.250
0.800
0
0.261
0.708
19
0.263
0.751
3
Houston Astros hitters vs RHP (projected)
Batter
AVG
OPS
HR
0.335
1.125
36
0.286
0.779
13
0.245
0.768
16
0.246
0.781
23
0.272
0.767
7
Season comparison
· 2026
SEA
HOU
0.230
Team AVG
0.244
0.686
Team OPS
0.732
143
Home runs
166
486
Runs scored
574
3.86
Team ERA
4.60
135
HR allowed
165