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Today · 8:10 PM ETLineup pendingAL West / NL West

Seattle Mariners   vs   Colorado Rockies Preview

September 19, 2026

Starting pitchers, lineup status, recent form and weather at Coors Field.

8:10 PM ET · Coors FieldStats availableLineups not confirmed
T-Score43
Seattle Mariners
71–82 · 3rd AL West · T-Score 43
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First pitch 8:10 PM ET
Colorado Rockies
56–97 · 5th NL West · T-Score 22
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T-Score22
First pitch 8:10 PM ET

Matchup at a glance

PitcherStat calculation
CategoryComparisonWhy
Starting pitcherMarinersSeattle has the stronger starting-pitcher profile: Miller leads in P-Score, WHIP and K/9.
Offense vs handRockiesColorado owns a .755 OPS vs RHP, 4th in MLB; Seattle ranks 18th vs RHP.
Team strengthMarinersSeattle leads 43–22 in T-Score.
WeatherHigh impactRain risk exceeds 60% around first pitch with a possible delay window.

Starting pitchers

SEA
Bryce Miller RHP
Bryce Miller
Seattle Mariners
2026 season (MLB rank among qualified starters)
ERA
4.19
112th
WHIP
1.16
52nd
K/9
8.89
71st
BB/9
2.85
84th
P-Score52i
FIP
4.30
HR/9
1.68
188th
OPS/R
0.621
IP
107.1
2026 ERA splits
Home ERA3.66
Road ERA4.60
Last 5 starts
COL
Gabriel Hughes RHP
Gabriel Hughes
Colorado Rockies
2026 season (MLB rank among qualified starters)
ERA
6.37
205th
WHIP
1.45
167th
K/9
7.58
130th
BB/9
3.49
136th
P-Score45i
FIP
3.82
HR/9
0.91
51st
OPS/R
0.790
IP
59.1
2026 ERA splits
Home ERA3.81
Road ERA8.71
Last 5 starts
How the starters differ
·Miller allows fewer baserunners, with a 1.16 WHIP compared with 1.45.
·Miller enters with a 4.19 ERA compared with Hughes's 6.37.
·Hughes allows the lower home-run rate: 0.91 vs 1.68 per nine.
·Miller strikes out 1.3 more batters per nine innings.
Advanced starter metricsERA−, FIP, WAR, career vs opponent
MetricMillerHughesNote
ERA−109122Park- and league-adjusted; 100 is average.
FIP4.303.82
WAR1.01.1Season value.

How the lineups match the starters' pitch mix

Pitch data coverage: partial. Usage and velocity only.

Miller arsenal
PitchUsageVelo
Four-seam39%96.0
Splitter24%84.7
Slider11%87.3
Sinker9%95.2
Sweeper7%83.7
Cutter6%91.0
Knuckle Curve4%83.0
Hughes arsenal
PitchUsageVelo
Four-seam51%92.4
Changeup12%87.8
Curveball11%78.7
Sinker10%92.9
Sweeper9%85.5
Slider8%86.5

Team OPS vs opposing starter's hand

Mariners vs RHP (Gabriel Hughes)
18th
in MLB
0.714OPS
.600.700.800.9001.000
Rockies vs RHP (Bryce Miller)
4th
in MLB
0.755OPS
.600.700.800.9001.000

Lineups

Lineup pendingOrder from the stored snapshot; treat as unofficial until the card is filed.Full lineup page
Lineups not announced

Neither club has posted a batting order. Handedness composition, H-Score leaders and batter-vs-pitcher samples appear here as soon as the first order is filed — typically two to three hours before first pitch.

Team comparison

ResultsSEASEA·COLCOL
+14325th
Run differential
+8729th
71–82 Record56–97
Last 10 games
Seattle Mariners (0–0)
Colorado Rockies (0–0)
2026 head-to-head
Season Series
0—0
0 Games Played

Frequently asked

Who is starting for the Mariners?+
Bryce Miller is listed as the starter.
Who is starting for the Rockies?+
Gabriel Hughes is listed as the starter.
What time does the game start?+
8:10 PM ET at Coors Field.
Where is the game being played?+
Coors Field, home of the Colorado Rockies.
Are the lineups confirmed?+
Not yet. Orders appear here when they are posted.
How do the starters compare on P-Score?+
Bryce Miller is at 52; Gabriel Hughes is at 45. P-Score is PitcherStat's 0–100 season index for qualified starters.