Giants vs. Red Sox Odds & Betting Predictions - August 21, 2026

Giants at Red Sox

11:10 pm • NESN
4 - 6
Starting Pitchers
pitcherteameraw-l
Sonny Gray logoS.GrayBoston Red Sox logo2.7218-5
Logan Webb logoL.WebbSan Francisco Giants logo4.318-9

Giants at Red Sox Odds

Spread, Total, Moneyline

MatchupOpenSpreadTotalMoneyline
Giants
0-0
+1.5
+1.5-144
o7.5+101
+158
Red Sox
0-2
u7.5
-1.5+121
u7.5-122
-173
location pinFriday 11:10 p.m.
August 21, 2026
Fenway ParkBoston
Giants vs. Red Sox Expert Picks
Sean Zerillo
Sean Zerillo
Last 30d: 115-109-6 (-0.6u)
Under 8-115
0.58u
Bet to 7.5 (-105)
Doug Ziefel
Doug Ziefel
Last 30d: 351-390-8 (+13.9u)
S.Gray u18.5 Outs-170
0.5u
Ryan Minion
Ryan Minion
Last 30d: 214-252-5 (-43.2u)
R.Devers o1.5 Hits + Runs + RBIs+113
$1.13
The Degenerates
The Degenerates
Last 30d: 47-47-1 (-2.5u)
SF u3.5-145
1.45u
Frank Ammirante
Frank Ammirante
Last 30d: 82-88-0 (-19.2u)
L.Webb u1.5 BB-114
1.14u
R.Devers o0.5 HR+511
0.51u
Under 7.5-119
1.19u
S.Gray o5.5 Ks-104
1u
Topper
Topper
Last 30d: 180-158-7 (+15.1u)
SF +1.5-140
1u
Bite Back Dogs (***) Overall: 390-249-0,61% (ROI:14%) Season:25-19-0,57% (ROI:6%) Non Divisional Dogs off a Loss Overall: 434-255-0,63% (ROI:17%) Season:29-16-0,64% (ROI:16%) #TSA
Under 7.5-119
1u
Wind In Good Home Pitcher (***) Overall: 266-161-12,62% (ROI:20%) Season:7-1-1,88% (ROI:59%) #TSA
Payoff Pitch Podcast
Payoff Pitch Podcast
Last 30d: 65-152-6 (-23.5u)
S.Gray u18.5 Outs-147
0.34u
@DerekCarty ⭐️⭐️ https://myaction.app/prPHdFsQM5b
Scott Rickenbach
Scott Rickenbach
Last 30d: 85-93-4 (-18.1u)
Under 7.5-115
1u
Wags Wins
Wags Wins
Last 30d: 234-210-3 (+16.8u)
Under 7.5-105
1.05u

Giants vs. Red Sox Previews & Analysis

  • Giants vs Red Sox: No Grey Area article feature image

    Giants vs Red Sox: No Grey Area

    Action Network Staff•
    Aug 21, 2026 UTC
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Prop Odds Comparison

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Line Movement Tracker

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Giants vs. Red Sox Public Betting Percentages

Away Logo

Giants

Public

8%

Bets%

92%

Money%

Matchup History

Against the Spread (ATS) History

overallhomeawayfavoriteunderdog
Red Sox
76-8535-4541-4048-6427-21
Giants
80-8241-4039-4221-2758-54

Over/Under History

overallhome o/uaway o/ufavorite o/uunderdog o/u
Red Sox
71-86-435-42-336-44-151-58-320-27-1
Giants
75-77-1036-42-339-35-727-18-347-58-7

Straight-Up (ML) History

overallhomeawayfavoriteunderdog
Red Sox
87-7541-3946-3561-5125-23
Giants
65-9737-4428-5324-2440-72

Last 5 Matchups

dateopponentscorespreadover/undermoneyline
Aug 19thARIL 6-7-1.5 LO 8.5ARI -159
Aug 18thARIW 9-4-1.5 WO 7.5BOS -172
Aug 17thARIW 11-1-1.5 WO 9BOS -134
Aug 16th@PITL 3-8-1.5 LO 8.5PIT -108
Aug 15th@PITW 4-0-1.5 WU 7.5BOS -119

Red Sox vs. Giants Injury Updates

Red Sox Injuries

  • Tanner Houck
    SP

    Houck is out with arm

    Out

  • Triston Casas
    1B

    Casas is out with knee

    Out

  • Kutter Crawford
    SP

    Crawford is out with wrist

    Out

Giants Injuries

  • Hayden Birdsong
    SP

    Birdsong is out with arm

    Out

Giants vs. Red Sox Box Score
Giants Player Stats
Projected
PITCHERPCIPKER
Logan Webb logoRL.Webb, P702.225
Reiver Sanmartin logoLR.Sanmartin, P30200
Trent Harris logoRT.Harris, P301.101
Jason Foley logoRJ.Foley, P26210
HITTERSH-ABRHRRBI
Drew Gilbert logo1D.Gilbert, CF2-3112
Jonah Cox logo1J.Cox, PH0-2000
Jonah Cox logo1J.Cox, CF0-2000
Rafael Devers logo2R.Devers, DH1-3111
Willy Adames logo3W.Adames, SS0-4000
Bryce Eldridge logo4B.Eldridge, 1B1-4001
Jung Hoo Lee logo5J.Lee, RF0-3000
Osleivis Basabe logo6O.Basabe, 2B0-4000
Turner Hill logo7T.Hill, LF1-3000
Victor Bericoto logo7V.Bericoto, PH0-1000
Drew Cavanaugh logo8D.Cavanaugh, C0-3000
Buddy Kennedy logo8B.Kennedy, PH0-0000
Christian Koss logo9C.Koss, 3B2-4200
Red Sox Player Stats
Projected
PITCHERPCIPKER
Sonny Gray logoRS.Gray, P97664
Erik Miller logoLE.Miller, P13120
Alec Gamboa logoLA.Gamboa, P11110
Aroldis Chapman logoLA.Chapman, P20130
HITTERSH-ABRHRRBI
Nick Sogard logo1N.Sogard, 2B1-4200
Ceddanne Rafaela logo2C.Rafaela, CF2-5000
Wilyer Abreu logo3W.Abreu, RF3-4101
Willson Contreras logo4W.Contreras, 1B1-2113
Adley Rutschman logo5A.Rutschman, C1-4100
Caleb Durbin logo6C.Durbin, 3B1-4100
Jarren Duran logo7J.Duran, LF2-3000
Andruw Monasterio logo8A.Monasterio, SS0-3001
Mickey Gasper logo9M.Gasper, DH0-3001

Giants vs. Red Sox Odds Comparison

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Giants at Red Sox Team Totals

MatchupOverUnder
Giants
0-0
N/A
N/A
Red Sox
0-2
N/A
N/A