Red Sox vs Royals Prediction, Odds, Moneyline, Spread & Over/Under for Aug. 6

Odds updated as of 4:15 a.m.

Wednesday's slate in the MLB includes a matchup between the Boston Red Sox and the Kansas City Royals.

Before checking out the MLB betting lines on FanDuel Sportsbook, we've got you covered, in terms of the most important info regarding this matchup.

Red Sox vs Royals Game Info

• Boston Red Sox (64-51) vs. Kansas City Royals (56-58)
• Date: Wednesday, August 6, 2025
• Time: 7:10 p.m. ET
• Venue: Fenway Park -- Boston, Massachusetts
• Coverage: NESN and FDSKC

Red Sox vs Royals Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: BOS: (-138) | KC: (+118)
• Spread: BOS: -1.5 (+150) | KC: +1.5 (-178)
• Total: 9 -- Over: (-105) | Under: (-115)

Red Sox vs Royals Probable Starting Pitchers

Probable Pitchers: Dustin May (Red Sox) - 6-7, 4.85 ERA vs Michael Wacha (Royals) - 5-9, 3.38 ERA

This contest's pitching matchup is set, as the Red Sox will send Dustin May (6-7) to the mound, while Michael Wacha (5-9) will take the ball for the Royals. When May starts, his team is 6-12-0 against the spread this season. May's team has a record of 9-7 this season when he starts and they are the favorite on the moneyline. The Royals have a 10-12-0 record against the spread in Wacha's starts. The Royals are 7-7 in Wacha's 14 starts this season that they were the moneyline underdog.

Red Sox vs Royals Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Red Sox win (55.4%)

Red Sox vs Royals Moneyline

• The Red Sox vs Royals moneyline has Boston as a -138 favorite, while Kansas City is a +118 underdog on the road.

Red Sox vs Royals Spread

• The Red Sox are hosting the Royals and are favored by 1.5 runs on the spread. The Red Sox are +150 to cover the runline, with the Royals being -178.

Red Sox vs Royals Over/Under

• The over/under for Red Sox-Royals on Aug. 6 is 9. The over is -105, and the under is -115.

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Red Sox vs Royals Betting Trends

• The Red Sox have been favorites in 70 games this season and have come away with the win 42 times (60%) in those contests.
• Boston has a record of 15-11 in contests when bookmakers favor them by -138 or more on the moneyline.
• The Red Sox and their opponents have gone over the total this season in 53 of their 114 opportunities.
• The Red Sox have an against the spread mark of 65-49-0 in 114 games with a line this season.
• The Royals have won 32 of the 69 games they were listed as the moneyline underdog this season (46.4%).
• In games it has played as a moneyline underdog with odds of +118 or longer, Kansas City has a 15-16 record (winning 48.4% of its games).
• The Royals have combined with opponents to go over the total 47 times this season for a 47-63-2 record against the over/under.
• The Royals have covered 50.9% of their games this season, going 57-55-0 against the spread.

Red Sox Player Leaders

• Jarren Duran leads Boston with 120 hits and an OBP of .329, plus a team-best slugging percentage of .465. He's batting .264.
• Among all qualified hitters in MLB, he ranks 69th in batting average, 74th in on-base percentage, and 45th in slugging.
• Duran has hit safely in two games in a row. During his last five outings he is batting .333 with three doubles, two home runs and eight RBIs.
• Ceddanne Rafaela is batting .266 with 23 doubles, three triples, 14 home runs and 17 walks. He's slugging .454 with an on-base percentage of .305.
• His batting average ranks 65th among qualified players, his on-base percentage 122nd, and his slugging percentage 59th.
• Trevor Story is batting .259 with a .431 slugging percentage and 72 RBI this year.
• Story heads into this game with seven games in a row with at least one hit. In his last 10 games he is batting .333 with four doubles, three home runs, four walks and 12 RBIs.
• Wilyer Abreu has been key for Boston with 80 hits, an OBP of .320 plus a slugging percentage of .486.
• Abreu has safely hit in two games in a row. During his last five outings he is hitting .294 with a double, a walk and six RBIs.

Royals Player Leaders

• Bobby Witt Jr. has put up a slugging percentage of .496 and has 128 hits, both team-best marks for the Royals. He's batting .287 and with an on-base percentage of .341.
• He ranks 19th in batting average, 59th in on-base percentage and 22nd in slugging percentage among all qualifying batters in MLB.
• Witt enters this game on a three-game hitting streak. During his last five outings he is hitting .263 with a double, a triple, a home run, four walks and three RBIs.
• Maikel Garcia has a .357 on-base percentage to pace his team. He has a batting average of .300 while slugging .474.
• Including all qualifying hitters, his batting average places him ninth, his on-base percentage ranks 31st, and he is 33rd in slugging.
• Vinnie Pasquantino has 18 doubles, a triple, 19 home runs and 36 walks while batting .261.
• Salvador Perez is hitting .253 with 28 doubles, 20 home runs and 19 walks.

Red Sox vs Royals Head to Head

• 8/5/2025: 6-2 BOS (Favorite: Red Sox, Spread: -1.5, Total: 7.5, Favorite Moneyline: -250, Underdog Moneyline: +205)
• 8/4/2025: 8-5 BOS (Favorite: Red Sox, Spread: -1.5, Total: 9.5, Favorite Moneyline: -162, Underdog Moneyline: +136)
• 5/11/2025: 3-1 BOS (Favorite: Royals, Spread: -1.5, Total: 8.5, Favorite Moneyline: -134, Underdog Moneyline: +116)
• 5/10/2025: 10-1 BOS (Favorite: Royals, Spread: -1.5, Total: 7, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 5/9/2025: 2-1 KC (Favorite: Red Sox, Spread: -1.5, Total: 9, Favorite Moneyline: -110, Underdog Moneyline: -106)
• 8/7/2024: 8-4 KC (Favorite: Royals, Spread: -1.5, Total: 8.5, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 8/6/2024: 6-5 BOS (Favorite: Royals, Spread: -1.5, Total: 8.5, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 8/5/2024: 9-5 BOS (Favorite: Royals, Spread: -1.5, Total: 10, Favorite Moneyline: -134, Underdog Moneyline: +114)
• 7/14/2024: 5-4 BOS (Favorite: Red Sox, Spread: -1.5, Total: 9.5, Favorite Moneyline: -148, Underdog Moneyline: +126)
• 7/13/2024: 5-0 BOS (Favorite: Red Sox, Spread: -1.5, Total: 8.5, Favorite Moneyline: -134, Underdog Moneyline: +114)

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