Red Sox Secure Series Win Over Diamondbacks
Tuesday, August 18, 2026, 7:10 PM ET · Fenway Park
Boston Red Sox 9, Arizona Diamondbacks 4, final. Our MLB picks are sealed as a hash before kickoff and settled in public, losses included.
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Quick answers
Who won Arizona Diamondbacks vs Boston Red Sox?
Boston Red Sox beat Arizona Diamondbacks 9-4 at Fenway Park on August 18, 2026.
Who was favored in Arizona Diamondbacks vs Boston Red Sox?
Boston Red Sox were the favorite at DraftKings, moneyline -159 (about 61% implied). The favorite won.
In a decisive matchup, the Boston Red Sox triumphed over the Arizona Diamondbacks with a final score of 9-4 at Fenway Park, clinching the series 2-1. This victory was particularly significant for the Red Sox, who have struggled recently, holding a 3-7 record over their last ten games leading up to this contest. Despite their recent challenges, they managed to secure a win against the Diamondbacks, showcasing a strong offensive performance.
The Red Sox entered the game with a home record of 68-58, while the Diamondbacks had a slightly lower away record of 66-61. Boston's recent form featured an average of 4.3 runs scored per game, while allowing 4.1 runs, indicating a competitive but inconsistent performance. Their last five games showed an improved average of 5.8 runs scored and only 3.4 allowed, suggesting a potential turnaround. In contrast, Arizona's recent form was 5-5 over the last ten games, with an average of 4.3 runs scored and 3.6 allowed, but they were on a two-game losing streak heading into this game.
The Red Sox's home performance has been mixed, with a record of 1-2 in their last three home games. Their previous meeting with the Diamondbacks just a day prior resulted in a resounding 11-1 victory, giving them momentum going into this game. Historically, the Red Sox had faced the Diamondbacks three times in the current season, winning two of those encounters.
In terms of injuries, the Red Sox were dealing with several key players on the injured list, including Ceddanne Rafaela, who was day-to-day with a quadriceps issue, and Johan Oviedo, Kutter Crawford, Zack Kelly, and Justin Slaten, all on the 60-day injured list with elbow or forearm injuries. The Diamondbacks also had significant injuries, with Tommy Troy on the 10-day IL due to a shoulder issue, and Corbin Burnes, Ryne Nelson, and Zac Gallen all on the 60-day IL with elbow problems, along with Michael Soroka on the 15-day IL for a shoulder injury.
The betting market reflected the Red Sox's favorable position, with DraftKings listing them at -159 on the money line and a spread of -1.5. The total for the game was set at 7.5, with odds of -113 for the over and -107 for the under. This pricing indicated confidence in the Red Sox's ability to secure a win at home.
The game conditions at Fenway Park were conducive to a competitive matchup, and viewers witnessed a flurry of scoring plays, particularly in the third inning. Notably, Moreno homered to center, bringing in multiple runs for the Diamondbacks, but the Red Sox quickly responded with a homer from Rutschman and took the lead with a wild pitch that allowed Durbin to score. The scoring continued with Gasper hitting another homer and contributing to the Red Sox's eventual victory.
Overall, the Red Sox's performance was bolstered by their ability to capitalize on scoring opportunities, and they will look to build on this win as they move forward in the season.
Odds
| Book | Spread | Total | Moneyline |
|---|---|---|---|
| DraftKings | BOS -159 | 7.5 o -113 / u -107 | Arizona Diamondbacks +148 · Boston Red Sox -159 |
Injury report
- Ceddanne RafaelaDay-To-DayQuadricepsBoston Red Sox
- Johan Oviedo60-Day-ILElbowBoston Red Sox
- Kutter Crawford60-Day-ILForearmBoston Red Sox
- Zack Kelly60-Day-ILElbowBoston Red Sox
- Justin Slaten15-Day-ILElbowBoston Red Sox
- Tommy Troy10-Day-ILShoulderArizona Diamondbacks
- Corbin Burnes60-Day-ILElbowArizona Diamondbacks
- Ryne Nelson60-Day-ILElbowArizona Diamondbacks
- Zac Gallen60-Day-ILElbowArizona Diamondbacks
- Michael Soroka15-Day-ILShoulderArizona Diamondbacks
Recent form
Boston Red Sox
Last 10: 3-7Streak W14.3 scored · 4.1 allowed per game1-2 at home
- W11-1vs Arizona DiamondbacksAug 17
- L3-8at Pittsburgh PiratesAug 16
- W4-0at Pittsburgh PiratesAug 15
- L4-8at Pittsburgh PiratesAug 14
- W7-0at Toronto Blue JaysAug 13
- L4-6at Toronto Blue JaysAug 12
- L3-5at Toronto Blue JaysAug 11
- L1-2at Toronto Blue JaysAug 10
- L3-4vs AthleticsAug 9
- L3-7vs AthleticsAug 8
Arizona Diamondbacks
Last 10: 5-5Streak L24.3 scored · 3.6 allowed per game2-2 away
- L1-11at Boston Red SoxAug 17
- L3-5at Atlanta BravesAug 16
- W10-3at Atlanta BravesAug 15
- W2-0at Atlanta BravesAug 14
- L2-3vs Colorado RockiesAug 12
- W9-0vs Colorado RockiesAug 11
- L1-2vs Los Angeles DodgersAug 9
- W4-3vs Los Angeles DodgersAug 8
- L1-5vs San Diego PadresAug 7
- W10-4vs San Diego PadresAug 6
Standings
| Team | Games behind | Lost | Streak | Win % | Won |
|---|---|---|---|---|---|
| Los Angeles | - | 57 | W1 | .593 | 83 |
| Arizona | 9.5 | 67 | W1 | .525 | 74 |
| San Diego | 10 | 67 | L2 | .521 | 73 |
| San Francisco | 25.5 | 83 | L1 | .411 | 58 |
| Colorado | 29 | 86 | W2 | .386 | 54 |
| Tampa Bay | - | 57 | L2 | .593 | 83 |
| New York | 3 | 60 | W2 | .571 | 80 |
| Boston | 7.5 | 65 | W1 | .539 | 76 |
| Toronto | 13.5 | 71 | W2 | .496 | 70 |
| Baltimore | 14.5 | 72 | L3 | .489 | 69 |
How the scoring went
- 1st Inning0-2Rutschman singled to right, Rafaela scored and Sogard scored, Abreu to third.
- 1st Inning0-3Durbin hit sacrifice fly to right, Abreu scored.
- 3rd Inning4-3Moreno homered to center (428 feet), Waldschmidt scored, Vargas scored and Carroll scored.
- 3rd Inning4-4Rutschman homered to right (401 feet).
- 3rd Inning4-5Durbin scored on Kelly wild pitch.
- 3rd Inning4-5Durbin scored on Kelly wild pitch.
- 5th Inning4-6Monasterio singled to left, Contreras scored, Rutschman thrown out at home.
- 6th Inning4-7Gasper homered to center (414 feet).
- 6th Inning4-8Contreras reached on infield single to second, Sogard scored.
- 7th Inning4-9Gasper singled to left, Duran scored.
Win probability
Above the line favours Boston Red Sox, below favours Arizona Diamondbacks.
Venue
- Fenway ParkBoston, Massachusetts
- Attendance36592
- OfficialsD.J. Reyburn, Louie Krupa, Adam Beck, Dan Iassogna
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These two, other days
- Diamondbacks Edge Red Sox in Thrilling Extra-Inning ClashAug 19, 2026
- Red Sox Dominate Diamondbacks 11-1 at Fenway ParkAug 17, 2026
- Red Sox Defeat Diamondbacks 7-4 in Series FinaleSep 7, 2025
- Diamondbacks Secure Series Win Over Red SoxSep 6, 2025
- Diamondbacks Defeat Red Sox 10-5 at Chase FieldSep 5, 2025