Orioles vs. Diamondbacks Prediction: Can Baltimore Upset Arizona? (4/9)

by | Last updated Apr 9, 2025 | mlb

Baltimore Orioles vs. Arizona Diamondbacks
Date: Wednesday, April 9th, 3:40 ET
Location: Chase Field
TV: MASN
Money Line: Orioles +107/Diamondbacks -126
Total Line: 9

Betting Preview

Here’s our betting preview for the upcoming MLB clash between the Arizona Diamondbacks and the Orioles on Wednesday, April 9th at Chase Field. We provide you with a comprehensive analysis, odds, and predictions to help with your handicapping decision or tail our expert based on the projected lineups and listed starting pitchers.

Betting Odds

ML RL Total
BAL +107 +1.5 O 9 (-109)
ARI -126 -1.5 U 9 (-111)

At 3:40 PM ET from Chase Field in Phoenix, we have an interleague matchup between the Orioles and Diamondbacks. Baltimore is 5-7 compared to the Diamondbacks, who are 6-6. Brandon Pfaadt will start for the Diamondbacks, while the Orioles are sending Dean Kremer to the mound.

Arizona is favored on the money line, with their odds sitting at -126 compared to the Orioles at +107. The over/under line is currently at nine runs, and the game can be seen on MASN.

Orioles vs. Diamondbacks Projected Lineup

Player Batting Order Position
Gunnar Henderson 1 SS
Adley Rutschman 2 C
Jordan Westburg 3 3B
Cedric Mullins 4 CF
Ryan O’Hearn 5 DH
Tyler O’Neill 6 RF
Heston Kjerstad 7 LF
Ryan Mountcastle 8 1B
Jackson Holliday 9 2B
Dean Kremer SP


Player Batting Order Position
Corbin Carroll 1 RF
Geraldo Perdomo 2 SS
Pavin Smith 3 DH
Josh Naylor 4 1B
Lourdes Gurriel Jr. 5 LF
Eugenio Suárez 6 3B
Alek Thomas 7 CF
Gabriel Moreno 8 C
Garrett Hampson 9 2B
Brandon Pfaadt SP

Straight Up/Over-Under/ Runline Record

Baltimore Orioles: 5-7 SU / OU 7-5 / Runline 5-7
Arizona Diamondbacks: 6-6 SU / OU 6-5 / Runline 6-6

Arizona picked up a 4-3 win over the Orioles in the most recent game of this series. The Diamondbacks had a two-run lead going into the 7th inning, and the Orioles could only muster one run in the 5th and added their final two runs in the 7th. As for the Diamondbacks, they scored one run in the 1st and added their final three runs in the 5th.

Merrill Kelly started for the Diamondbacks and picked up the win, going six innings and giving up two earned runs. He finished the game with four strikeouts but issued two walks. Charlie Morton got the start for the Orioles, going five innings and giving up four earned runs on four hits.

Corbin Carroll was the difference for the Diamondbacks, as he homered, scored twice, and finished with two RBIs. Josh Naylor also had a two-RBI game at the plate. Cedric Mullins did a bit of everything for the Orioles, going 2/4 with two RBIs and a stolen base.

Orioles Records & Recent Play

Baltimore is 5-7 overall, which has them 5th in the AL East, two games behind the Blue Jays for the division lead. So far, they have gone just 3-4 in AL East matchups. The Orioles dropped the first game of this series vs. the Diamondbacks but bounced back to win game two.

At home, the Orioles are only 1-2 this year and are just above .500 at 4-5 on the road. Baltimore has yet to win a game at night this season, going 0-3. They have not yet been the favorite in a game this year.

Diamondbacks Records & Recent Play

Arizona is currently 6-6 overall, and they are three games behind the Padres in the NL West. The Diamondbacks are hosting the Orioles today and are 3-3 both at home and on the road. The Diamondbacks have an overall series record of 1-1-1 this year.

The Diamondbacks are 5-5 across their last 10 games and are looking to take the series lead over the Orioles today. So far, they have been the underdog in all of their games.

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Pitching Matchup

Dean Kremer will be making his 3rd start of the season for the Orioles, and it will be on the road against the Diamondbacks. Kremer picked up a win in his first start of the season against the Blue Jays but took a loss in his last outing against the Royals, where he struck out 8 in 4 1/3 innings.

Brandon Pfaadt will be making his third start of the season for the Diamondbacks, and he will be at home against the Orioles. Pfaadt has a 1-1 record, and in his last outing, he picked up a win against the Nationals. In that game, he went six innings, allowing four earned runs.

Orioles vs. Diamondbacks Offense Outlook

Ryan Mountcastle has been swinging a hot bat of late for the Orioles, going 7/18 in his last six games. For the season, he is batting .316. Cedric Mullins is also hitting well for the Orioles, with a team-high three homers and a batting average of .308. Mullins has gone 5/16 in his last five games, including one home run.

As a team, the Orioles are averaging 4.6 runs per game, which is 11th in the league. They have been a better offensive team on the road this season, averaging 4.8 runs per contest. Overall, they are 9th in home runs and have the league’s 10th-best team batting average.

The Diamondbacks’ offense has been one of the league’s best so far this season, averaging 5.2 runs per game, which is 5th in the league. They have been even better at home, averaging 5.3 runs per game. As a team, they are batting .249, which is 11th in the league and are also near the top of the league in on-base percentage, slugging percentage, and OPS. Arizona’s offense has also done a good job of avoiding strikeouts and is 2nd in the league in walks.

Corbin Carroll has been swinging a hot bat of late, going 6/12 in his last three games with a home run. This has improved his season average to .304, and he is 2nd on the team with four homers. Geraldo Perdomo has also been a key run producer for the Diamondbacks, as his 12 RBIs are 6th in the league. However, he has just one home run so far this season.

Free Orioles vs. Diamondbacks MLB Pick

I see this Baltimore lineup getting to Brandon Pfaadt early in this one. Even though Baltimore is off to a slower start than expected, this is still a dangerous lineup, and I think they will break out this afternoon in Arizona. I like Baltimore at +107.

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