Arizona Diamondbacks
66-59
@
Boston Red Sox
66-58
7:10 PM ET Fenway Park DBACKS.TV

The 39F Fenway chill and two hittable arms point to the under 9.0 as tonight's cleanest play.

Game-time cold near freezing plus two low-power offenses undercuts an inflated nine-run number.

SidePASS
TotalBET UNDER 9.0
Lean6/10
Confidence
  • Feels-like 35F at first pitch chokes ball flight and scoring.
  • ARI ranks 27th in HR/game (0.99), BOS 25th (1.00).
  • De-vigged team totals sum to 9.0 with room below.
Best Bet Under 9.0 is the highest-conviction play with feels-like 35F suppressing both weak-power lineups.
Total9.0
ARI Win44%
BOS Win58%
Implied ARI4.3
Implied BOS4.7

Vegas / Market

Total
9.0
Run line
BOS 1.5
ARI ML
+126 44%
BOS ML
-138 58%
ARI4.3
BOS4.7

The de-vigged implied totals land at ARI 4.3 and BOS 4.7, adding to exactly 9.0, so the total is priced efficiently on paper but the freezing conditions argue the true number sits lower. Boston at -138 (implied favorite via ML) reflects home edge, while ARI at +126 offers modest value given Bratt's low ERA. The number to beat is the total, where our read is under.

Pitching Matchup

ARI
Mitch Bratt
1-1 · 33.2 IP
ERA
3.74
WHIP
1.40
K/9
6.8
BB/9
5.2
VS
BOS
Brayan Bello
4-6 · 83.2 IP
ERA
4.84
WHIP
1.43
K/9
6.9
BB/9
2.9

Bratt owns a shiny 3.74 ERA but a scary 5.15 BB/9 over just 33.2 innings, so his command is the wild card all night. Bello throws more strikes (2.92 BB/9) yet gets hit hard, allowing 10.06 H/9 and a 4.84 ERA. Neither has a strikeout edge (6.78 vs 6.92 K/9), so the slight edge is Bello for keeping the ball in the zone despite the contact risk.

Offense Comparison

ARIRank of 30BOS
4.5 #12 Runs / G 4.4 #17
0.244 #14 AVG 0.248 #8
0.99 #27 HR / G 1.00 #25
7.30 #28 K / G 8.23 #17

Arizona brings a contact-leaning top of the order in Perdomo, Carroll, Moreno and Marte, but the whole club whiffs a lot (28th, 7.30 K/game) which plays into Bello's strike-throwing. Boston's Abreu, Contreras and Rafaela offer stack appeal against a walk-prone Bratt who can hand out free bases. Both lineups lack thump, ranking near the bottom in home runs.

Weather & Park

CFN
At first pitch · 7:10 PM ET
5 mph out to RF · favors hitters
Conditions
Partly Cloudy
Temp
39°
Rain
6%
Humidity
61%
moderate
Now: 69° · 3 mph L to R cross · Light drizzle

Fenway is outdoor with a raw 39F, feels-like 35F, and only a 4 mph breeze out to right, so despite the listed positive wind the deep cold is the dominant, run-suppressing force.

DFS Angles

If chasing upside, a small Boston stack of Abreu, Contreras and Rafaela is best positioned to exploit Bratt's 5.15 BB/9. In cold conditions keep stacks lean and favor on-base contact over power.

Bello is a GPP-only dart given his 4.84 ERA and 10.06 H/9, so treat him as a fade in cash. Bratt's walk rate caps his floor, making both arms shaky value tonight.

ARI top bats
  • Corbin Carroll 14.0 proj · $5,300 · 2.6x
  • Ketel Marte 11.6 proj · $4,800 · 2.4x
  • Geraldo Perdomo 11.2 proj · $4,100 · 2.7x
  • Gabriel Moreno 11.1 proj · $4,300 · 2.6x
  • Ildemaro Vargas 9.5 proj · $3,700 · 2.6x
BOS top bats
  • Willson Contreras 13.2 proj · $4,700 · 2.8x
  • Wilyer Abreu 13.0 proj · $5,100 · 2.5x
  • Ceddanne Rafaela 11.2 proj · $4,500 · 2.5x
  • Adley Rutschman 10.8 proj · $4,000 · 2.7x
  • Jarren Duran 10.0 proj · $3,700 · 2.7x

Players to Watch

Prop leans
  • Corbin Carroll - hits over lean - projects team-best 1.50 hits at $5300.
  • Willson Contreras - RBI lean - team-high 1.05 projected RBI against wild Bratt.
  • Ketel Marte - hits lean - 1.48 projected hits from the two-hole engine.
  • Wilyer Abreu - total bases lean - 0.30 projected HR with wind out to right.
On watch
  • Mitch Bratt - 5.15 BB/9 could unravel early or hand Boston free runs.
  • Brayan Bello - 10.06 H/9 makes him vulnerable to a big inning.
  • Geraldo Perdomo - table-setter at $4100 with 2.74x value.
  • Adley Rutschman - 1.05 projected RBI batting fifth for Boston.
View all ARI & BOS props →

Form & Head-to-Head

No completed meetings between these teams yet this season.

No completed meetings between these teams yet this season.

Today's MLB Slate

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Updated Aug 17, 9:18 AM ET For entertainment and informational purposes only; not betting or gambling advice.