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Today · 9:40 PM ETLineup pendingNL East / NL West

Miami Marlins   vs   Arizona Diamondbacks Preview

September 16, 2026

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

9:40 PM ET · Chase FieldStats availableLineups not confirmed
T-Score53
Miami Marlins
74–77 · 3rd NL East · T-Score 53
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First pitch 9:40 PM ET
Arizona Diamondbacks
80–71 · 3rd NL West · T-Score 46
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T-Score46
First pitch 9:40 PM ET

Matchup at a glance

PitcherStat calculation
CategoryComparisonWhy
Starting pitcherMarlinsMiami has the stronger starting-pitcher profile: Gusto leads in P-Score, K/9 and FIP.
Offense vs handMarlinsMiami owns a .744 OPS vs RHP, 7th in MLB; Arizona ranks 29th vs RHP.
WeatherModerate impactA 3 mph wind could modestly increase carry on fly balls.

Starting pitchers

MIA
Ryan Gusto RHP
Ryan Gusto
Miami Marlins
2026 season (MLB rank among qualified starters)
ERA
4.14
108th
WHIP
1.40
149th
K/9
7.47
135th
BB/9
2.87
82nd
P-Score44i
FIP
4.12
HR/9
1.03
74th
OPS/R
0.747
IP
78.1
2026 ERA splits
Home ERA3.91
Road ERA4.45
Last 5 starts
AZ
Merrill Kelly RHP
Merrill Kelly
Arizona Diamondbacks
2026 season (MLB rank among qualified starters)
ERA
4.97
153rd
WHIP
1.46
175th
K/9
6.04
201st
BB/9
3.97
170th
P-Score39i
FIP
5.47
HR/9
1.60
178th
OPS/R
0.746
IP
152.0
2026 ERA splits
Home ERA5.83
Road ERA4.36
Last 5 starts
How the starters differ
·Gusto owns the lower FIP, 4.12 to 5.47.
·Gusto strikes out 1.4 more batters per nine innings.
·Gusto allows the lower home-run rate: 1.03 vs 1.60 per nine.
·Gusto walks 1.1 fewer batters per nine innings.
Advanced starter metricsERA−, FIP, WAR, career vs opponent
MetricGustoKellyNote
ERA−100118Park- and league-adjusted; 100 is average.
FIP4.125.47
WAR0.8-0.3Season value.

How the lineups match the starters' pitch mix

Pitch data coverage: partial. Usage and velocity only.

Gusto arsenal
PitchUsageVelo
Four-seam28%94.6
Changeup14%87.2
Sweeper13%81.7
Cutter13%89.3
Sinker13%93.1
Slider11%85.4
Curveball9%78.5
Kelly arsenal
PitchUsageVelo
Four-seam28%92.1
Changeup28%88.5
Cutter13%91.0
Curveball12%82.5
Slider10%86.3
Sinker10%92.4

Team OPS vs opposing starter's hand

Marlins vs RHP (Merrill Kelly)
7th
in MLB
0.744OPS
.600.700.800.9001.000
Diamondbacks vs RHP (Ryan Gusto)
29th
in MLB
0.686OPS
.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

ResultsMIAMIA·AZAZ
+21913th
Run differential
+21814th
74–77 Record80–71
Last 10 games
Miami Marlins (0–0)
Arizona Diamondbacks (0–0)
2026 head-to-head
Season Series
0—0
0 Games Played

Frequently asked

Who is starting for the Marlins?+
Ryan Gusto is listed as the starter.
Who is starting for the Diamondbacks?+
Merrill Kelly is listed as the starter.
What time does the game start?+
9:40 PM ET at Chase Field.
Where is the game being played?+
Chase Field, home of the Arizona Diamondbacks.
Are the lineups confirmed?+
Not yet. Orders appear here when they are posted.
How do the starters compare on P-Score?+
Ryan Gusto is at 44; Merrill Kelly is at 39. P-Score is PitcherStat's 0–100 season index for qualified starters.