Beta Free full access during beta. All models, tools, and daily picks included.
Game-Day Update Lineups: Probable Odds Posted 6 min read

Arizona Diamondbacks vs Baltimore Orioles Preview

Arizona Diamondbacks visit Baltimore Orioles at Camden Yards. Trevor Rogers brings 1.89 ERA for Baltimore against Merrill Kelly and the Diamondbacks

Arizona Diamondbacks at Baltimore Orioles MLB game preview for April 14, 2026
ARI
Arizona Diamondbacks
Merrill Kelly RHP
@
6:35 PM ET
Oriole Park at Camden Yards
BAL
Baltimore Orioles
Trevor Rogers LHP
Last updated Tuesday, April 14, 2026
Final This game has finished. Read the recap for final score, model grades, and box score.

Key Facts

Matchup
Arizona Diamondbacks at Baltimore Orioles
Date
Tuesday, April 14, 2026
First Pitch
6:35 PM ET
Venue
Oriole Park at Camden Yards
Probable Starters
Merrill Kelly (RHP) vs Trevor Rogers (LHP)
Lineups
Probable
Odds Snapshot
Apr 14, 6:35 PM ET
Last Updated
Apr 14, 1:06 PM ET

Betting Board

Snapshot Apr 14, 6:35 PM ET
Moneyline
ARI +146
BAL -158
Total
Over 9 +100
Under 9 -122
Run Line
ARI +1.5 -152
BAL -1.5 +126

Model Angles

NRFI Model
NRFI · 54%
+3.7% edge
Projected Total
5.3
model combined runs
Park Factor
1.03
Neutral · HR 1.08
First Pitch Weather
88°F
10.9 mph SW
The Arizona Diamondbacks travel to Oriole Park at Camden Yards for a 6:35 PM ET first pitch against the Baltimore Orioles on Friday night. Arizona enters at 9-8 following a loss in their last outing, while Baltimore sits at 9-7 riding a three-game winning streak. Right-hander Merrill Kelly takes the mound for the Diamondbacks, while the Orioles counter with lefty Trevor Rogers, who has posted a 1.89 ERA and 1.05 WHIP with 6.63 strikeouts per nine innings. The projected run total sits at 5.3, with Arizona expected to score 2.6 runs and Baltimore 2.7. Weather conditions show 86 degrees with 10 mph winds from the southwest, and Camden Yards carries a 1.03 park factor for runs.
  • Trevor Rogers owns a 1.89 ERA and 1.05 WHIP
  • Baltimore carries a three-game winning streak into Friday
  • Ketel Marte and Gabriel Moreno each hitting .303 against lefties

Pitching Matchup

ARI Away
Merrill Kelly
RHP · undefined-undefined · undefined GS
ERA
undefined
WHIP
undefined
K/9
undefined
IP
undefined
Career: 3.77 ERA · 1.20 WHIP · 8.13 K/9
NRFI: 68.7%
1st Inn ERA: 5.07
BAL Home
Trevor Rogers
LHP · 2-0 · 3 GS
ERA
1.89
WHIP
1.05
K/9
6.63
IP
19.0
Career: 3.76 ERA · 1.29 WHIP · 8.93 K/9
NRFI: 78.3%
1st Inn ERA: 2.75
  • K projections: Merrill Kelly at 4.8 (line 5.5)
  • Trevor Rogers projected at 5.0 (line 4.5).
  • First-inning scoring: Merrill Kelly holds a 68.7% career NRFI rate, Trevor Rogers at 78.3%. Combined average: 73.5%.
  • This is a RHP vs LHP matchup, creating potential platoon advantages in both lineups.

Strikeout Projections

Merrill Kelly vs BAL
Proj: 4.8Line: 5.5
-0.7
Confidence:
Trevor Rogers vs ARI
Proj: 5.0Line: 4.5
+0.5
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.

Merrill Kelly (Arizona Diamondbacks) is projected for 4.8 strikeouts against a posted line of 5.5. The projection sits 0.7 K below the line, giving the model a Neutral lean at 6/10 confidence.
Win probability on this lean: 50%.
He faces a moderate-K lineup that strikes out at 22.0% with a 28.0% whiff rate.

Trevor Rogers (Baltimore Orioles) is projected for 5.0 strikeouts against a posted line of 4.5. The projection sits 0.5 K above the line, giving the model a Neutral lean at 5/10 confidence.
Win probability on this lean: 50%.
He faces a moderate-K lineup that strikes out at 22.0% with a 28.0% whiff rate.

The Arizona Diamondbacks lineup is more vulnerable to strikeouts in this matchup. Baltimore Orioles batters K at 22.0%, Arizona Diamondbacks batters at 22.0%.

NRFI & First 5 Analysis

NRFI Model
53.7%
probability of NRFI
+3.7%
market edge
Monitor
Market implied: 50.0%Model: 53.7%
First 5 Innings
2.9est. F5 runs
ARI
— ERA
BAL
1.89 ERA
6.3 inn/start
F5 lean: Slight BAL
ARI K Projection
Merrill Kelly
4.8proj
Line: 5.5
-0.7 NEUTRAL
Confidence
BAL K Projection
Trevor Rogers
5.0proj
Line: 4.5
+0.5 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 53.7% probability of no runs in the first inning, compared to the market's implied probability of 50.0%.

  • That creates a slim 3.7% edge on NRFI.
  • The best available line is NRFI +100 / YRFI -122 at FanDuel.
  • Publication tier: slate_only.

The home plate umpire for this game has not yet been assigned. MLB typically posts assignments the morning of game day. This article will be updated with full umpire data in the game-day pass.
Our NRFI model sits at 7-14 (33.3%) on official picks this season.

Lineup & Matchup Breakdown

Arizona Diamondbacks Projected
K%: 22.0
2Ketel MarteS2B
4Gabriel MorenoRC
Whiff rate: 28.0%Team page
Baltimore Orioles Projected
K%: 22.0
Whiff rate: 28.0%Team page
Batter vs Pitcher matchup tool

Lineups are projected as of this writing.

Lineup K vulnerability: 22.0% strikeout rate, 28.0% whiff rate.

Lineup K vulnerability: 22.0% strikeout rate, 28.0% whiff rate.

Ballpark, Weather & Umpire

Oriole Park at Camden Yards
Run Factor1.03
HR Factor1.08
Full park profile
Hourly Game Forecast
88°
6 PM
11 mph
SW
85°
7 PM
9 mph
WSW
85°
8 PM
9 mph
WSW
85°
9 PM
9 mph
WSW
  • Oriole Park at Camden Yards carries a 1.03 run factor (neutral).
  • Home run factor: 1.08 — the park elevates HR power.
  • Park notes: Left field wall angles away; Narrow left field alley; Elevated field area.
  • First pitch forecast: 88F with 11 mph winds from the SW. Humidity: 29%.
  • Wind advisory: 11 mph winds from the SW may impact fly balls.

Home plate umpire: Not yet assigned. Updated game-day morning.

Run Projections & Total

  • Our projection model puts the total at 5.3 combined runs, with Arizona Diamondbacks projected for 2.6 and Baltimore Orioles for 2.7.
  • That's 3.7 runs below the posted total of 9, suggesting a lean toward the Under.
  • The run projection is essentially a coin flip between these two teams.
The Bottom Line
Baltimore brings momentum with three straight wins while Trevor Rogers continues his strong start to the season. Arizona counters with Merrill Kelly and a pair of hitters over .300 against left-handed pitching in Marte and Moreno in a low-scoring environment.
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.