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Early Preview Lineups: Projected Odds Posted 7 min read

Miami Marlins vs Arizona Diamondbacks Preview

MIA at ARI 2026-09-14 preview: probable pitchers, projected lineups, NRFI/F5 model picks, weather, ballpark, and umpire context.

Miami Marlins at Arizona Diamondbacks MLB game preview for September 14, 2026
MIA
Miami Marlins
Sandy Alcantara RHP
@
9:40 PM ET
Chase Field
ARI
Arizona Diamondbacks
Corbin Burnes RHP
Last updated Monday, September 14, 2026
Final This game has finished. Read the recap for final score, model grades, and box score.

Key Facts

Matchup
Miami Marlins at Arizona Diamondbacks
Date
Monday, September 14, 2026
First Pitch
9:40 PM ET
Venue
Chase Field
Probable Starters
Sandy Alcantara (RHP) vs Corbin Burnes (RHP)
Lineups
Projected
Odds Snapshot
Sep 14, 9:41 PM ET
Last Updated
Sep 14, 7:27 AM ET

Betting Board

Snapshot Sep 14, 9:41 PM ET
Moneyline
MIA +116
ARI -127
Total
Over 8.5 -105
Under 8.5 -115
Run Line
MIA +1.5 -194
ARI -1.5 +160

Model Angles

NRFI Model
NRFI · 63%
+11.5% edge · top pick
Projected Total
5.6
model combined runs
Park Factor
1.05
Neutral · HR 1.09
First Pitch Weather
Roof
Climate controlled
The Marlins bring a two-game winning streak into Chase Field on Monday night, and Sandy Alcantara takes the ball with a first-inning profile that looks sharp against the numbers. The right-hander owns an 88 percent NRFI rate across 33 first-inning appearances this season, and the model gives the NRFI a 63 percent probability with a 14.2 percent edge. That's the kind of margin that shows up once or twice a week, not every night. Alcantara carries a 3.78 ERA and 1.22 WHIP into the desert, and while his 6.44 strikeouts per nine won't wow anyone, the early-game control has been consistent. Corbin Burnes counters with a 0.00 ERA and 1.33 WHIP, though sample size looms large on that zero. His 6.00 strikeouts per nine sit below Alcantara's mark, and the strikeout model projects him for 4.3 punchouts against a 4.5 line. Neutral lean, medium-low confidence. Alcantara's strikeout projection of 2.7 checks in well below his 3.5 line, but again the model flags it neutral with a 5 out of 10 confidence grade. The Diamondbacks arrive on a two-game skid at 79-71, five games better than Miami's 74-76 ledger. Both bullpens sit at full rest, fatigue pegged at 100 out of 100. The projected total of 5.6 splits evenly at 2.8 per side, and Chase Field's 1.05 park factor nudges run expectation just slightly above neutral. Weather is a non-factor: 72 degrees, zero wind. The barrel-rate leaders on the card are Heriberto Hernández at 10.5 percent, Otto Lopez at 10.3 percent, and Javier Sanoja at 9.5 percent. None of those figures suggest game-breaking power, but they're worth noting in a park that has pushed 11.3 runs per game over the last ten dates, with the over cashing 62 percent of the time and the NRFI landing just 44 percent.
  • NRFI model shows 63 percent probability, 14.2 percent edge
  • Alcantara owns 88 percent NRFI rate in 33 first innings
  • Chase Field averaged 11.3 runs, 62 percent overs last ten

Pitching Matchup

MIA Away
Sandy Alcantara
RHP · 13-10 · 31 GS
ERA
3.78
WHIP
1.22
K/9
6.44
IP
200.0
Career: 3.67 ERA · 1.18 WHIP · 7.58 K/9
NRFI: 80.5%
1st Inn ERA: 3.42
ARI Home
Corbin Burnes
RHP · 0-0 · 1 GS
ERA
0.00
WHIP
1.33
K/9
6.00
IP
3.0
Career: 3.14 ERA · 1.07 WHIP · 10.34 K/9
NRFI: 81.3%
1st Inn ERA: 2.85

On the season, Corbin Burnes holds the ERA edge in this matchup. Sandy Alcantara carries a 3.78 ERA and 1.22 WHIP, while Corbin Burnes sits at 0.00 ERA and 1.33 WHIP.
Strikeout rates: Sandy Alcantara at 6.44 K/9, Corbin Burnes at 6.00 K/9.
K projections: Sandy Alcantara at 2.6 (line 3.5)
Corbin Burnes projected at 4.2 (line 4.5).
First-inning scoring: Sandy Alcantara holds a 80.5% career NRFI rate, Corbin Burnes at 81.3%. Combined average: 80.9%.
Both starters throw from the R side, limiting platoon splits for either lineup.

Strikeout Projections

Sandy Alcantara vs ARI
Proj: 2.6Line: 3.5
-0.9
Confidence:
Corbin Burnes vs MIA
Proj: 4.2Line: 4.5
-0.3
Confidence:
View all K projections on SlateIQ

Our strikeout model weighs pitcher K rate, opponent lineup whiff tendency, park factors, and umpire zone size to project total strikeouts per starter.

Sandy Alcantara (Miami Marlins) is projected for 2.6 strikeouts against a posted line of 3.5. The projection is close to the line with no actionable edge.
He faces a high-K lineup that strikes out at 24.3% with a 28.0% whiff rate.

Corbin Burnes (Arizona Diamondbacks) is projected for 4.2 strikeouts against a posted line of 4.5. The projection is close to the line with no actionable edge.
He faces a moderate-K lineup that strikes out at 23.2% with a 28.0% whiff rate.

The Arizona Diamondbacks lineup is more vulnerable to strikeouts in this matchup. Arizona Diamondbacks batters K at 24.3%, Miami Marlins batters at 23.2%.

NRFI & First 5 Analysis

NRFI Model
62.7%
probability of NRFI
+11.5%
market edge
Strong Signal
Market implied: 51.2%Model: 62.7%
First 5 Innings
3.1est. F5 runs
MIA
3.78 ERA
6.5 inn/start
ARI
0.00 ERA
3.0 inn/start
F5 lean: Strong ARI
MIA K Projection
Sandy Alcantara
2.6proj
Line: 3.5
-0.9 NEUTRAL
Confidence
ARI K Projection
Corbin Burnes
4.2proj
Line: 4.5
-0.3 NEUTRAL
Confidence
Explore all model projections

Our NRFI model analyzes both starting pitchers' first-inning profiles, the top-of-order hitters in each lineup, the umpire's historical zone, and environmental factors to produce a probability estimate. For this game, the model assigns a 62.7% probability of no runs in the first inning, compared to the market's implied probability of 51.2%.

  • That creates a strong 11.5% edge on NRFI.
  • The best available line is NRFI -105 / YRFI -115 at FanDuel.
  • This qualifies as a top pick in our publication system.
  • Home plate umpire Laz Diaz runs a average zone. See the umpire section below for full career data.
  • Our NRFI model sits at 155-143 (52.0%) on official picks this season.

Prop Edges

2 model signals detected
Hits
60.7%
Ketel MarteSignal
Home Run Very Strong 0.5
13.8%
See all today's picks and edges

Lineup & Matchup Breakdown

Miami Marlins Projected
K%: 23.2
1Heriberto HernándezRLF
2Javier SanojaR3B
3Otto LopezRSS
Whiff rate: 28.0%Team page
Arizona Diamondbacks Projected
K%: 24.3
2Ketel MarteS2B
Whiff rate: 28.0%Team page
Batter vs Pitcher matchup tool

Lineups are projected as of this writing.

Miami Marlins K vulnerability: 23.2% strikeout rate, 28.0% whiff rate.

Arizona Diamondbacks K vulnerability: 24.3% strikeout rate, 28.0% whiff rate.

Ballpark, Weather & Umpire

Chase Field
Run Factor1.05
HR Factor1.09
Full park profile
Home Plate Umpire
Laz Diaz
Slightly tight NRFI: 75.0% 8 games
Full umpire profile
  • Chase Field carries a 1.05 run factor (neutral).
  • Home run factor: 1.09 — the park elevates HR power.
  • Park notes: High desert elevation (1100ft); Retractable roof; Hot climate.
  • Roof: Retractable.

Climate controlled. Roof expected closed. Standard 72F conditions, no wind factor.

  • Home plate umpire: Laz Diaz.
  • Career NRFI rate: 75.0% across 8 games tracked.
  • Zone tendency: Slightly tight.
  • K factor: 1.014 (league average strikeouts in his games).

Run Projections & Total

  • Our projection model puts the total at 5.6 combined runs, with Miami Marlins projected for 2.8 and Arizona Diamondbacks for 2.8.
  • That's 2.9 runs below the posted total of 8.5, suggesting a lean toward the Under.
  • The run projection is essentially a coin flip between these two teams.
The Bottom Line
The 14.2 percent NRFI edge is the sharpest angle on the board, backed by Alcantara's 88 percent first-inning rate across a meaningful sample. Burnes' 0.00 ERA looks pristine, but the 1.33 WHIP and thin innings log temper expectations. The risk lives in the park trends: Chase Field has pushed 11.3 runs per game over the last ten, and the NRFI has hit just 44 percent of the time in that window. That's a headwind. Still, the model assigns 63 percent probability to the NRFI, and the edge is double digits. The strikeout markets lean neutral on both arms, and the total projects dead even at 2.8 per side. Focus belongs on the first inning.
This preview is generated from thecapper.io projection models and publicly available data. All projections are model estimates, not guarantees. Gamble responsibly. If you or someone you know has a gambling problem, call 1-800-GAMBLER.