Seattle Mariners · Away
E. Hancock
RHP · Emerson Hancock
Season (2026)
3.35
ERA
#47 MLB
1.12
WHIP
#40 MLB
8.3
K/9
#95 MLB
2.2
BB/9
#31 MLB
vs HOU · career
5.40
ERA
.235
OPP AVG
5
K
5.0 IP1 GS1.20 WHIP
Seattle Mariners vs Houston Astros
—:—
7:10 PM ET
H2H 8–5
Starting pitchers
Starter form · last 5 starts
Starter form
COLD ↗
ERA worse in last 5 +0.51
SEASON ERA
3.35
→
LAST 5 ERA
3.86
6
DAYS REST
40%
QS (L5)
0/5
BLOW-UP (L5)
LAST 5 STARTS (EARNED RUNS)
07/12
0
07/22
2
07/29
3
08/04
3
08/09
2
⚡↑ ERA trending up lately
Starter form
STEADY →
Recent form near season pace
SEASON ERA
3.86
→
LAST 5 ERA
3.86
5
DAYS REST
66.7%
QS (L5)
0/3
BLOW-UP (L5)
LAST 5 STARTS (EARNED RUNS)
07/29
3
08/04
2
08/10
3
Matchup edge
Matchup edge
OVERALL EDGE: ASTROS2 - 1
EDGE
PITCHING
Starting Pitching
HOU
HITTING
Team Offense
HOU
BULLPEN
Relief Pitching
SEA
ⓘScores are relative team strengths (0-100). Higher is better.
◆ Matchup preview
Seattle Mariners at Houston Astros (2026-08-15). Emerson Hancock vs Hayden Wesneski at Daikin Park.
Starters — Hancock has a 3.35 ERA and 1.12 WHIP across 121 innings, with 8.26 K/9, 2.23 BB/9, and 1.12 HR/9. His last three starts were 4.2 innings with 2 earned runs, 6 innings with 3 earned runs, and 5 innings with 3 earned runs. The profile is steady, and the listed trend is up. Wesneski has a 3.86 ERA and 1.18 WHIP over 18.2 innings, with 5.79 K/9, 2.89 BB/9, and 0.96 HR/9. His last three starts were 7 innings with 3 earned runs, 6 innings with 2 earned runs, and 5.2 innings with 3 earned runs. He has worked efficiently so far, though the sample is still small.
Teams — Seattle owns a .683 OPS and 476 runs, with a .229 team average. The Mariners pitching staff has a 3.85 ERA and 1.21 WHIP, but the club is just 2-8 over its last 10 games. Houston brings a .731 OPS and 569 runs, with a .244 team average. The Astros staff has a 4.55 ERA and 1.35 WHIP, and they are 5-5 in their last 10. From a betting angle, Seattle shows the stronger full-season run prevention numbers, while Houston has the more productive offense and better overall contact profile.
Key facts
Hancock has a 3.35 ERA, 1.12 WHIP, and 8.26 K/9 in 121 IPHouston offense leads this matchup with a .731 OPS and 569 runsSeattle staff edge: 3.85 team ERA and 1.21 WHIP vs Houston’s 4.55 and 1.35
Lineup not yet announced · posted ~1–2 hrs before first pitch
Projected hitters vs RHP / RHP
Seattle vs RHP
Avg OPS 0.7942 hot hittersTop: Canzone 0.887 · Arozarena 0.850 · Raley 0.793
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
Houston Astros hitters vs RHP (projected)
Batter
AVG
OPS
HR
Matchup snapshot
CURRENT FORM · LAST 10
SEA 2-8
LWLLLLLLWL
HEAD TO HEAD · 2025–2026 (13 GAMES)
SEA 8 - 5 HOU
Last 5: SEA 4-1 HOU
Last meeting: SEP 21, 2025
SEA 7 - 3 HOU
CURRENT FORM · LAST 10
HOU 5-5
WWLWLLWLWL
Season comparison
· 2026
SEA
HOU
0.229
Team AVG
0.244
0.683
Team OPS
0.731
142
Home runs
164
476
Runs scored
569
3.85
Team ERA
4.55
133
HR allowed
164