- Matchup: Arizona Diamondbacks vs Boston Red Sox
- Date: Wednesday, August 19, 2026
- Venue: Fenway Park, Boston, MA
- Broadcast: NESN
- Odds/Point Spread: Arizona (+125) Boston (-150)
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On Wednesday, the Arizona Diamondbacks (66-59) will face off against the Boston Red Sox (66-58) at Fenway Park. The betting odds place the Diamondbacks at +125 and the Red Sox at -150, with the over/under set at 8 runs. The starting pitchers for this contest will be Brandon Pfaadt and Payton Tolle.
The Arizona Diamondbacks are averaging 4.5 runs per game, ranking 12th in the MLB. They have scored a total of 567 runs with an on-base percentage of .316. As a team, they have 214 doubles and have hit 124 home runs, accumulating 539 RBIs with 1,023 hits this season, which gives them a batting average of .244. Their slugging percentage stands at .399, with 912 strikeouts and 419 walks recorded this year.
With a strikeout-to-walk ratio of 2.35, the Diamondbacks’ pitching staff has a WHIP of 1.27. They have allowed 142 home runs and 549 runs total (15th in the league). Arizona has given up 1,053 hits (averaging 8.5 per 9 innings) and 504 earned runs, maintaining a team ERA of 4.09 (14th in the MLB) while striking out 852 batters. The pitching staff has issued 362 walks, with a FIP of 4.31 this season.
A total of 410 relief pitchers have taken the mound for the Diamondbacks this season, inheriting 159 runners with 25.2% scoring. The bullpen has achieved 71 holds (10th in the league) and has entered 107 games with base runners and 133 high-leverage situations, successfully securing 31 saves out of 46 opportunities, yielding a save rate of 67.4% across 118 save chances.
The Diamondbacks successfully convert 71.3% of balls in play into outs, ranking 7th in the league. They have recorded 3,330 putouts, 1,092 assists, and 45 errors, holding a top-ranked fielding percentage of .990, including 113 double plays this season.
Pfaadt (34-29 career record) has a FIP of 4.72, having faced 2,327 hitters in the majors. He has allowed 571 hits (9.4 per nine innings) and 129 walks, with an earned run average of 4.79 (291 earned runs) and a WHIP of 1.281. In his career, Pfaadt has pitched 546 innings, striking out 487 batters.
The Boston Red Sox have hit 124 home runs this season and recorded 525 RBIs. Their offense boasts 224 doubles, a total of 549 runs, and an on-base percentage of .320. With a batting average of .248 this year, the Red Sox have achieved a team slugging percentage of .400, scoring an average of 4.43 runs per game (17th in MLB). They have struck out 1,021 times (18th) and accumulated 1,026 hits.
Boston’s pitching staff has a WHIP of 1.222, with a FIP of 3.64, ranking 12th in total hits allowed (997). The Red Sox pitchers have given up 468 runs, with a team ERA of 3.52 (431 earned runs). Their strikeout-to-walk ratio is 8.70, featuring 1,059 strikeouts against 348 walks. They have allowed 119 home runs and 3.83 runs per 9 innings, ranking 3rd in MLB.
Relievers for Boston have inherited 32.3% of 130 runners, showing solid performance in high-leverage spots on 108 occasions. In 123 save situations, the staff has achieved 76 holds and 11 blown saves, resulting in a noteworthy save percentage of 75.6% (3rd in MLB) after deploying 379 relief pitchers this season.
In total, the Red Sox have a defensive efficiency of 69.7% (17th in MLB) over 9,912 innings, with 90 double plays, a fielding percentage of .986 (15th), 1,075 assists, and 61 errors recorded this season.
Tolle has allowed 109 hits in his MLB career, achieving 147 strikeouts over 131 innings. He has given up 49 earned runs, holding a WHIP of 1.129 and a FIP of 3.3, with a K/BB ratio of 3.77 after facing 535 batters. Tolle (8-7 career mark) boasts a 3.36 ERA while giving up 7.5 hits per nine innings.
Who will triumph in tonight’s MLB showdown, covering the spread or cashing the moneyline?
Prediction: Bet on Arizona (+125)
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