Seattle Mariners
64-73
@
Boston Red Sox
74-63
6:45 PM ET Fenway Park NESN

Back Boston at -158 behind Payton Tolle against baseball's worst offense.

Tolle's swing-and-miss profile lines up perfectly with a Seattle lineup that ranks dead last in scoring and average.

SideBET HOME ML at -158
TotalPASS, total of 8.0 matches the implied 3.7/4.3 split
Strong7/10
Confidence
  • Tolle owns a 3.09 ERA and 1.09 WHIP.
  • Seattle ranks 30/30 in runs and 30/30 in average.
  • Boston's de-vigged implied total sits at 4.3.
Best Bet Boston moneyline at -158 with Tolle carding a 3.09 ERA against the league's lowest-scoring offense.
Total8.0
SEA Win41%
BOS Win61%
Implied SEA3.7
Implied BOS4.3

Vegas / Market

Total
8.0
Run line
BOS 1.5
SEA ML
+146 41%
BOS ML
-158 61%
SEA3.7
BOS4.3

The market prices Boston at -158 with a 4.3 implied total against Seattle's 3.7, and that gap looks fair given the pitching and offense mismatch. There is no obvious soft number on the side; the price reflects the edge rather than hides it. The total at 8.0 sits right on the summed team totals, offering little cushion either way.

Pitching Matchup

SEA
George Kirby
9-10 · 147.2 IP
ERA
4.02
WHIP
1.33
K/9
7.7
BB/9
2.1
VS
BOS
Payton Tolle
8-6 · 125.1 IP
ERA
3.09
WHIP
1.09
K/9
10.1
BB/9
2.5

Tolle is the clear edge, missing bats at a 10.14 K/9 while limiting hits at 7.27 per nine and pounding the zone with a 2.52 BB/9. Kirby throws strikes too at 2.08 BB/9, but his 9.97 H/9 and 1.33 WHIP mean far more traffic. The stuff and run-prevention advantage both belong to the Boston lefty.

Offense Comparison

SEARank of 30BOS
3.9 #30 Runs / G 4.5 #16
0.226 #30 AVG 0.249 #7
1.15 #15 HR / G 1.01 #24
8.71 #7 K / G 8.07 #22

Seattle's lineup, fronted by Ward, Arozarena, Julio, and Raleigh, brings mid-pack pop at 1.15 HR/game but a punchless 0.226 team average against a strikeout-heavy arm. Boston is the sturdier group at 0.249 with better contact, and Abreu plus Rafaela offer a viable top-of-order stack versus Kirby's hittable profile. The matchup edge in bat quality tilts home.

Weather & Park

CFN
At first pitch · 6:45 PM ET
9 mph out to LF · favors hitters
Conditions
Overcast
Temp
73°
Rain
14%
Humidity
60%
moderate
Now: 71° · 2 mph in from RF · Sunny

Fenway is outdoor with 73F and a 9 mph wind blowing out to left field, a positive nudge for run scoring, though only a 14% rain chance. That breeze modestly helps balls carry toward the Monster.

DFS Angles

Stack Boston's top of the order, Abreu and Rafaela, against Kirby's 9.97 H/9 with the wind blowing out to left. Seattle bats are risky given a 0.226 team average, so keep those exposures small.

Target Tolle as a core play given his 10.14 K/9 and elite matchup versus a whiff-prone Seattle lineup. Fade Kirby, whose 1.33 WHIP and hittable H/9 cap his ceiling at Fenway.

SEA top bats
  • Randy Arozarena 10.4 proj · $4,500 · 2.3x
  • Julio Rodriguez 10.3 proj · $4,200 · 2.5x
  • Taylor Ward 10.3 proj · $3,400 · 3.0x
  • Cal Raleigh 9.8 proj · $4,100 · 2.4x
  • Josh Naylor 9.3 proj · $3,200 · 2.9x
BOS top bats
  • Wilyer Abreu 11.8 proj · $5,500 · 2.2x
  • Ceddanne Rafaela 10.7 proj · $4,400 · 2.4x
  • Adley Rutschman 10.7 proj · $3,500 · 3.1x
  • Jarren Duran 10.4 proj · $4,000 · 2.6x
  • Caleb Durbin 9.4 proj · $3,900 · 2.4x

Players to Watch

Prop leans
  • Wilyer Abreu - over hits/total bases lean - team-best 11.8 projected fpts and 1.41 projected hits.
  • Adley Rutschman - RBI lean - 1.05 projected RBI at just $3500 (3.05x).
  • Payton Tolle - strikeout over lean - 10.14 K/9 versus a high-strikeout Seattle lineup.
  • Ceddanne Rafaela - hits lean - 1.42 projected hits atop the order.
On watch
  • Cal Raleigh - 0.30 projected HR carries Seattle's only real power threat.
  • Josh Naylor - 1.35 projected hits leads Seattle contact bats.
  • Jarren Duran - 0.30 projected HR with the wind out to left.
  • Taylor Ward - leadoff bat at value 3.01x if Seattle scores early.
View all SEA & BOS props →

Form & Head-to-Head

Season series: SEA 1 – BOS 2

Boston leads the season series 2-1.

Today's MLB Slate

Swipe for all 12 games on the board.
Updated Aug 31, 9:47 AM ET For entertainment and informational purposes only; not betting or gambling advice.