D-backs vs Orioles Expert Picks, Predictions & Betting Splits (Apr 14)

Published: April 14, 2026 at 3:37 pm EDT

Pete Alonso hopes to stay hot tonight vs. Arizona. — Apr 13, 2026; Baltimore, Maryland, USA; Baltimore Orioles first baseman Pete Alonso (25) celebrates with catcher Samuel Basallo (29) after scoring on his seventh inning home run against the Arizona Diamondbacks at Oriole Park at Camden Yards. Mandatory Credit: Tommy Gilligan-Imagn Images

Baltimore is 6-2 as a betting favorite and holds a significant starting pitching advantage tonight
Arizona games have gone Under the total at a 70.6% rate this season
See our best bets for Diamondbacks at Orioles on Tuesday night

Baltimore beat Arizona 9-7 Monday in the opening game of their series at Camden Yards. The series continues tonight. First pitch is set for 6:35 pm, ET, with MLB.TV providing coverage, which is included in every Fubo TV subscription.

Merrill Kelly makes his season debut for the Diamondbacks. He’ll go against Trevor Rogers (2-0, 1.89).

Our analysis breaks down the key metrics, trends and matchups and finds the best betting value for Diamondbacks at Orioles.

D-backs vs Orioles Odds

The graphic above shows the best available odds on Tuesday, April 14 and is subject to change.

The Orioles enter tonight’s contest as clear home favorites on the moneyline at -146, while the Diamondbacks sit as +122 road underdogs. At these odds, Baltimore carries an implied win probability of 59.35%, while Arizona’s line implies a 45.05% chance. When removing the sportsbook vig, the true, vig-free probabilities sit at 56.85% for the Orioles and 43.15% for the Diamondbacks, summing perfectly to 100%.

Since the lines were first released, we have seen noticeable movement driven by heavy public betting action. The opening total was initially set at 8.5 with the Over listed at -105 and the Under favored at -115. However, bettors have relentlessly hammered the Over, shifting the odds to -116. The runline experienced a similar trajectory; the opening spread listed Baltimore at -1.5 (+148) and Arizona at +1.5 (-179). With massive support backing Baltimore to win by multiple runs, sportsbooks adjusted Baltimore’s payout down to +144.

Merrill Kelly vs Trevor Rogers 2026 Stats

Stats	Merrill Kelly	Trevor Rogers
W-L Record	N/A	2-0
Innings Pitched	N/A	19.0
ERA	N/A	1.90
WHIP	N/A	1.05
OBA	N/A	.214
K/9	N/A	6.63
BB/9	N/A	2.37
HR/9	N/A	0.00
FIP	N/A	2.61
xFIP	N/A	4.20

Trevor Rogers vs Diamondbacks

G	W	L	IP	H	ER	HR	BB	K	ERA	WHIP
3	2	1	16.1	15	7	2	5	18	3.86	1.224

D-backs Hitters vs Trevor Rogers

Player	PA	AB	H	HR	RBI	K	BA	OBP	SLG	OPS
Nolan Arenado	8	8	1	0	0	1	.125	.125	.125	.250
Ildemaro Vargas	8	6	1	0	1	0	.167	.250	.167	.417
Ketel Marte	6	6	1	0	1	0	.167	.167	.333	.500
James McCann	6	6	0	0	0	1	.000	.000	.000	.000
Pavin Smith	5	4	1	1	2	1	.250	.200	1.000	1.200
Corbin Carroll	3	3	1	0	0	1	.333	.333	.333	.667
Lourdes Gurriel Jr.	3	3	1	0	0	0	.333	.333	.333	.667
Gabriel Moreno	2	2	0	0	0	2	.000	.000	.000	.000
Alek Thomas	2	2	0	0	0	2	.000	.000	.000	.000

Merrill Kelly vs Orioles

G	W	L	IP	H	ER	HR	BB	K	ERA	WHIP
2	1	1	8.1	11	9	3	2	8	9.72	1.560

Orioles Hitters vs Merrill Kelly

Player	PA	AB	H	HR	RBI	K	BB	BA	OBP	SLG	OPS
Tyler O’Neill	23	21	3	1	4	10	2	.143	.217	.333	.551
Pete Alonso	19	19	5	3	7	1	0	.263	.263	.789	1.053
Taylor Ward	4	4	0	0	0	4	0	.000	.000	.000	.000
Gunnar Henderson	3	3	0	0	0	1	0	.000	.000	.000	.000
Adley Rutschman	3	2	0	0	0	1	1	.000	.333	.000	.333
Jordan Westburg	3	2	0	0	0	1	0	.000	.333	.000	.333
Blaze Alexander	2	2	0	0	0	1	0	.000	.000	.000	.000
Christian Encarnacion-Strand	2	2	0	0	0	2	0	.000	.000	.000	.000
Jackson Holliday	2	2	0	0	0	1	0	.000	.000	.000	.000
Heston Kjerstad	2	2	0	0	0	0	0	.000	.000	.000	.000
Leody Taveras	2	1	0	0	0	1	1	.000	.500	.000	.500

Diamondbacks vs Orioles Home/Road Stats

Statistic (Per Game Average)	ARI (League Rank)	BAL (League Rank)
Win-Loss Record (Win %)	9-8, .529 [13th]	9-7, .562 [7th]
Runs Scored	4.40 [13th]	5.00 [12th]
Home Runs	0.70 [20th]	1.20 [9th]
Batting Average (AVG)	.237 [10th]	.261 [8th]
On-Base + Slugging (OPS)	.668 [14th]	.775 [8th]
Average Exit Velocity	86.2 mph [29th]	88.6 mph [16th]
Runs Allowed	4.65 [17th]	4.12 [11th]
Pitching ERA	4.10 [17th]	3.82 [11th]

Diamondbacks vs Orioles Picks, Predictions & Best Bets

Pick #1: Orioles Moneyline (-144 at FanDuel)

When evaluating tonight’s matchup, the starting pitching dynamic immediately dictates the betting value. The Orioles will send their ace to the mound, and his underlying metrics make Baltimore the clear moneyline play at -146. Baltimore is a stellar 6-2 (75.0%) outright as a betting favorite this season, and the starting pitching mismatch here supports continuing that trend.

The Orioles’ starter has been nothing short of dominant, boasting a pristine 1.90 ERA and a 1.05 WHIP. Against an Arizona offense collectively hitting just .237 on the road with a sluggish .668 team OPS, Baltimore is in a prime position to suppress the Diamondbacks’ bats and cruise to a victory.

Pick #2: Under 8.5 Runs (-102 at DraftKings)

While Baltimore is the pick to win, betting the Under 8.5 Runs is the most logical angle for the game total. Arizona games have stayed Under the total at just a 29.4% clip overall, but tonight presents a unique situational angle. Arizona’s starting rotation has been highly reliable, posting a combined 3.27 ERA, and Baltimore’s bullpen has been equally efficient at shutting the door late, registering a 3.66 ERA with an elite 9.68 K/9. Expect run production to be heavily suppressed.

Best Player Prop Bet

Trevor Rogers Under 2.5 Earned Runs (-154 DraftKings): With Rogers surrendering exactly zero home runs across 57.0 innings (0.00 HR/9) and holding an elite 1.90 ERA, banking on him to allow two earned runs or fewer is the safest edge on the board. Arizona’s offense has struggled to string together productive innings away from home, making this prop heavily favored in Rogers’ direction.

Public Betting Splits & Handle Breakdown

When breaking down the MLB public betting markets, analyzing where the money handle is flowing is just as important as looking at ticket percentages. The moneyline market shows bettors confidently backing the home favorites tonight.

Orioles: 74.2% of tickets | 67.7% of the money
Diamondbacks: 25.9% of tickets | 32.3% of the money

The total runs market features the most extreme betting split on the board tonight.

OVER: 95.3% of tickets | 79.3% of the money
UNDER: 4.7% of tickets | 20.7% of the money

While the public heavily backs the Over, our analytical breakdown points to the Under based on the elite pitching metrics and Arizona’s depressed road exit velocities. Notably, there are no true sharp vs. public divides present in this matchup. Across the moneyline, runline, and total markets, the money handle and the ticket volume are in total lockstep, meaning professional and casual money are aligned.

Chris Wright

A 30-time APSE award-winning editor with previous stints at the Miami Herald, The Indianapolis Star and News & Observer, Chris Wright is an Evergreen and AI editor for Saturday Down South, Saturday Tradition, Crossing Broad, Sports Betting Dime and ESNY.

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