Arizona Diamondbacks vs Boston Red Sox Prediction, 8/19/2026 MLB Picks, Best Bets & Odds

Game: Arizona Diamondbacks vs Boston Red Sox

Date: Wednesday, August 19, 2026

Location: Fenway Park in Boston, MA

TV: NESN

Odds/Point Spread: Arizona (+125) Boston (-150)

The Arizona Diamondbacks (66-59) are traveling to Fenway Park on Wednesday where they will take on the Boston Red Sox (66-58). The moneyline on this game has the Diamondbacks at +125 while the Red Sox are priced at -150. The over/under has been set at 8. The men taking the mound will be Brandon Pfaadt and Payton Tolle.

As a team, the Arizona Diamondbacks are compiling 4.5 runs per game, which has them at 12th in MLB. They have tallied 567 runs scored and have an OBP of .316. The Diamondbacks have earned 214 two-baggers as a team and have hit 124 balls out of the stadium. They have tallied 539 runs batted in in addition to 1,023 hits on the year, while their team batting average comes in at .244. Arizona has a slugging % of .399 and have struck out 912 times, while taking a walk on 419 occasions.

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Their strikeout to walk ratio sits at 2.35 and their pitching staff sits with a WHIP of 1.27. Diamondbacks pitchers have yielded 142 home runs and also 549 total runs (15th in baseball). Arizona has given up 1,053 base hits (8.5 per 9 innings) and 504 earned runs. The Diamondbacks are sitting with a team ERA of 4.09 on the year (14th in the league), and their staff has struck out 852 hitters. Their pitching staff has walked 362 opposing batters and their FIP comes in at 4.31 as a team this season.

The Diamondbacks have dispatched 410 relief pitchers to the mound this season. The bullpen pitchers have inherited 159 runners on the year with 25.2% of them crossing home plate. The bullpen have a total of 71 holds so far this season (10th in the league). Diamondbacks pitchers have entered the game with runners on base 107 times in addition to having 133 appearances in high leverage situations. They have compiled 31 saves on the campaign and have blown 15 of 46 chances to save the game. The Diamondbacks relievers have a save rate of 67.4% and stepped onto the hill in 118 save situations.

The Diamondbacks have transformed 71.3% of baseballs in play into outs in their 9,990 innings, which ranks them 7th in baseball. The Arizona Diamondbacks have amassed 3,330 putouts at this point in the season, in addition to 1,092 assists and 45 errors. Their fielding rate is at .990 which has them ranked 1st in MLB, and they have turned 113 double plays.

Pfaadt (34-29 career record) holds a FIP of 4.72 while going up against 2,327 hitters during his time in the majors. He has surrendered 571 base knocks (9.4 hits per nine innings) and has had 129 walks. His earned run average is 4.79 (291 earned runs allowed) and he has a WHIP of 1.281. Pfaadt has taken the ball for 546 frames and is sitting with 487 strikeouts in his pro baseball career.

Boston has tallied 124 home runs on the campaign as well as 525 RBIs. They have 224 doubles, while walking 393 times and notching 549 runs. The Boston Red Sox have recorded a team on-base percentage of .320 as well as a team batting average of .248 for the year. The Red Sox have a team SLG% of .400 and they have an average of 4.43 runs per game (17th in MLB). They have been rung up on 1,021 occasions (18th in the league) and have totaled 1,026 base knocks.

The Red Sox hold a team WHIP of 1.222 with a FIP of 3.64 as a staff on the season. They come in at 12th in MLB as a staff in total hits relinquished with 997. The Boston pitching staff have surrendered 468 runs on the year and come in with a team ERA of 3.52 (431 earned runs conceded). Their strikeout to walk ratio comes in at 8.70 (1,059 strikeouts against 348 free passes). They have yielded 119 home runs and they allow 3.83 runs per 9 innings (3rd in MLB).

Boston relievers have an inherited score percentage of 32.3% of 130 inherited base runners. Their relief pitchers have taken the field 108 times in high leverage situations and on 95 occasions with base runners. With 123 save situations, the Red Sox have earned 76 holds and also 11 blown saves. They are ranked 3rd in MLB with a save percentage of 75.6%, and they have dispatched 379 relief pitchers onto the field on the campaign.

In 9,912 innings played, the Red Sox have accumulated a defensive efficiency of 69.7% (17th in pro baseball). The Boston Red Sox have gotten 90 double plays and have notched a fielding percentage of .986 (15th in baseball). The Red Sox have recorded 1,075 assists, 61 errors and have earned a total of 3,304 putouts this season.

In his MLB career, Tolle has surrendered 109 base knocks and he has 147 punch outs in 131 frames. He has allowed a total of 49 ER's while holding a WHIP of 1.129 and having a FIP of 3.3. His K/BB ratio is 3.77 and he has gone up against 535 hitters thus far in his career. Tolle (8-7 career mark) is the owner of a 3.36 earned run average while giving up 7.5 hits per nine innings.

Who will win tonight's MLB game against the spread or moneyline?

Guy Bruhn's Pick: Take Arizona (+125)

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