Boston Red Sox vs Seattle Mariners MLB Betting Lines

Odds Preview 2879

The Red Sox will play the Mariners on Wednesday, September 15th, 2021 at 4:10 pm ET. Check network listings or your nearest streaming app for coverage. Our opening pitch flys at Eastern Standard, make sure you adjust for your local timezone.

Matchup Pitchers
  • Red Sox - T. Houck - R
  • Mariners - M. Gonzales - L

Learn more about MLB Betting with our handy tutorial and guide. We explain money line, total and run line bets. Plus, a great discussion about exotic bets like MLB Baseball parlays and props.

Best Money Line Bets
Underdog
Seattle Mariners
Seattle Mariners
Favorite
Boston Red Sox
Boston Red Sox
+116 Sb3gen1 -126 Sb3gen1
+110 Sb3gen3 -130 Sb3gen2
+108 Sb3gen2 -130 Sb3gen3
Here are money lines for the outright winner. Favorite Boston Red Sox has a minus value. Lay $126 at Sb3gen1 to win $100. Underdog Seattle Mariners has a positive value. Risk $100 at Sb3gen1 to win $116.
Best Over and Under Total Lines
OverUnder
8.5o -106 Sb3gen1 8.5u -105 Sb3gen2
8.5o -115 Sb3gen2 8.5u -105 Sb3gen3
8.5o -115 Sb3gen3 8.5u -114 Sb3gen1
The over under line estimates the combined total of each team's final score. Sb3gen1 has the best over line of 8.5 points laying $106 to win $100. Sb3gen2 has the best under line of 8.5 u -105.
Best Underdog and Favorite Run Line Bets
Underdog
Seattle Mariners
Seattle Mariners
Favorite
Boston Red Sox
Boston Red Sox
+1.5 -149 Sb3gen1 -1.5 +130 Sb3gen2
+1.5 -150 Sb3gen2 -1.5 +130 Sb3gen3
+1.5 -150 Sb3gen3 -1.5 +129 Sb3gen1
SportsBetting3.com has analyzed the latest lines. Review our "Best Run Line Bets" table above to smash the books this Wednesday. Sb3gen2 has the best favorite Boston Red Sox run line at -1.5 points. Sb3gen1 has the best underdog Seattle Mariners run line at +1.5 points.

Review our point spread betting tutorial and video for more information.

MLB World Series Odds

Latest World Series odds, if available, for each team. Review odds for other teams and learn how to bet on the tournament here. See past Championship results and learn how to bet World Series teasers, props and parlays.

Boston Red Sox World Series Odds
OutcomeSB3Gen SB3Gen
Boston Red SoxBoston Red Sox

Cached 2021-09-20 22:35:01
Seattle Mariners World Series Odds
OutcomeSB3Gen SB3Gen
Seattle MarinersSeattle Mariners

Cached 2021-09-20 22:35:01

Team Standings

Season Standings
Team W L Pct GB Home Away Strk L10
Seattle MarinersBoston Red Sox 86 65 0.570 11.5 86-65 47-29 W5 75-61
Seattle MarinersSeattle Mariners 80 69 0.537 16.5 80-69 42-33 W1 71-58

Boston Red Sox Batting Stats

2021 Boston Red Sox Batting
Top 12 by Games Played
Player GP R H HR RBI BB SO AVG
Rafael Devers
3B
145 94 150 34 105 61 136 0.275
J.D. Martinez
LF
137 87 152 27 94 52 139 0.285
Alex Verdugo
LF
137 86 149 13 57 51 87 0.292
Xander Bogaerts
SS
133 84 148 22 75 53 104 0.301
Hunter Renfroe
RF
133 84 125 28 91 43 120 0.260
Christian Vazquez
C
127 50 113 6 45 32 81 0.263
David Peralta
LF
125 47 108 6 52 38 75 0.263
Bobby Dalbec
1B
124 47 96 23 76 28 145 0.245
Enrique Hernandez
CF
123 78 116 17 55 54 99 0.251
Pavin Smith
1B
121 62 119 10 43 34 90 0.270
Nick Ahmed
SS
119 43 88 4 35 32 94 0.222
Josh Rojas
3B
115 57 109 11 39 50 115 0.271

Seattle Mariners Batting Stats

2021 Seattle Mariners Batting
Top 12 by Games Played
Player GP R H HR RBI BB SO AVG
J.P. Crawford
SS
147 80 149 8 48 54 105 0.265
Kyle Seager
3B
146 70 114 34 96 59 146 0.207
Mitch Haniger
RF
144 101 143 34 84 50 153 0.251
Ty France
3B
139 74 154 16 63 40 101 0.294
Dylan Moore
SS
115 36 55 12 41 37 102 0.182
Luis Torrens
C
97 35 72 14 41 28 89 0.236
Tom Murphy
C
88 33 51 11 32 35 94 0.204
Jarred Kelenic
CF
80 34 52 13 38 30 95 0.178
Jake Fraley
CF
67 24 40 9 31 43 64 0.208
Jake Bauers
1B
66 18 40 2 13 17 46 0.231
Anthony Misiewicz
RP
60 0 0 0 0 0 0 0.000
Drew Steckenrider
RP
55 0 0 0 0 0 0 0.000

Boston Red Sox Pitching Stats

2021 Boston Red Sox Pitching
Top 12 by Wins and Games Played
Player GP W L SV HLD IP K WHIP ERA
Eduardo Rodriguez
SP
28 11 8 0 0 142.1 165 1.38 5.00
Nathan Eovaldi
SP
30 10 8 0 0 173.2 188 1.17 3.58
Nick Pivetta
SP
28 9 7 0 0 144.0 159 1.34 4.63
Garrett Whitlock
RP
45 8 4 2 14 72.1 79 1.12 1.99
Adam Ottavino
RP
64 7 3 11 20 58.2 67 1.36 3.68
Garrett Richards
SP
35 7 7 3 1 131.0 112 1.57 4.53
Martin Perez
SP
33 7 8 0 1 109.0 94 1.51 4.79
Matt Barnes
RP
55 6 5 24 0 50.2 80 1.09 3.73
Matt Harvey
SP
22 6 10 0 0 98.1 73 1.53 6.13
Hirokazu Sawamura
RP
53 5 1 0 10 49.0 58 1.47 3.31
John Means
SP
15 5 3 0 0 88.2 79 0.87 2.84
Tanner Scott
RP
48 4 4 0 14 41.0 59 1.49 3.95

Seattle Mariners Pitching Stats

2021 Seattle Mariners Pitching
Top 12 by Wins and Games Played
Player GP W L SV HLD IP K WHIP ERA
Chris Flexen
RP
28 12 6 0 0 162.1 110 1.26 3.66
Paul Sewald
RP
53 9 3 8 13 54.2 88 1.01 2.96
Marco Gonzales
SP
22 8 5 0 0 124.1 95 1.21 4.05
Yusei Kikuchi
SP
28 7 9 0 0 154.0 160 1.30 4.32
Justus Sheffield
RP
20 7 8 0 0 79.1 63 1.79 6.58
Logan Gilbert
SP
22 6 5 0 0 108.1 120 1.17 4.74
Drew Steckenrider
RP
55 5 2 9 6 60.1 54 1.03 2.24
Rafael Montero
RP
40 5 3 7 4 43.1 37 1.64 7.27
Lance Lynn
SP
8 5 1 0 0 47.2 50 0.97 1.51
Carlos Rodon
SP
7 5 1 0 0 42.2 62 0.80 1.27
Anthony Misiewicz
RP
60 4 5 0 17 50.2 49 1.36 4.44
Kendall Graveman
RP
30 4 0 10 4 33.0 34 0.70 0.82

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