MLB Odds (MA, US)

MLB Season: Mar – OctIn Season
SeasonOff-SeasonCurrent Month

September 2026

17 matches · 2 days

Tue, Sep 1513 matches
San Diego Padres@Colorado Rockies
12:41 AM
Seattle Mariners@Los Angeles Angels
1:39 AM
Miami Marlins@Arizona Diamondbacks
1:41 AM
Chicago White Sox@Cleveland Guardians
10:40 PM
Oakland Athletics@Tampa Bay Rays
10:40 PM
Los Angeles Dodgers@Cincinnati Reds
10:40 PM
Milwaukee Brewers@Pittsburgh Pirates
10:41 PM
Philadelphia Phillies@Washington Nationals
10:45 PM
Detroit Tigers@Toronto Blue Jays
11:08 PM
Baltimore Orioles@New York Mets
11:10 PM
Atlanta Braves@Chicago Cubs
11:40 PM
New York Yankees@Minnesota Twins
11:40 PM
San Francisco Giants@St. Louis Cardinals
11:45 PM
Wed, Sep 164 matches
Kansas City Royals@Houston Astros
12:10 AM
San Diego Padres@Colorado Rockies
12:40 AM
Seattle Mariners@Los Angeles Angels
1:38 AM
Miami Marlins@Arizona Diamondbacks
1:40 AM

17 upcoming matches and outright odds across 22 competitors.

We compare MLB odds across 13 bookmakers in MA, United States

Bally BetBetMGMBetOpenlyCaesarsDraftKingsFanaticsFanDuelFliffKalshiNovigPolymarketReBettheScore Bet

Get these odds overlaid directly on BetMGM, BetOpenly, Caesars, and more.

Sportsbook Bonuses in MA, United States

OddsGuard tracks the latest sportsbook promotions available in MA, United States. Click any offer to claim it — all links are verified daily.

BetMGM (US)
Bonus Bet
$12,500

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Wagering: 1xMin. Odds: +1.33Valid For: 7 days
BetMGM (US)
Bonus Bet
Get $150

Bet $10, Get $150 in Bonus Bets If Your Bet Wins

Sign up for a new BetMGM Sportsbook account, deposit at least $10, and place a first bet of at least $10 on any sport using the Bet & Get If You Win token. If the bet wins, receive $150 in Bonus Bets.

Min. Deposit: $10Wagering: 1xMin. Odds: +1
Caesars
Odds Boost Token
$2,500

Bet $1, Get 10x 100% Profit Boosts (Up to $2,500 Extra Winnings Each)

Sign up for a new Caesars Sportsbook account using an eligible promo code and place a real cash wager of at least $1 on any market at minimum odds of -10000 or longer.

Min. Odds: +1Valid For: 14 daysMax Cashout: $2,500
Caesars
Odds Boost Token
$2,500

Bet $1, Get 10 x 100% Profit Boosts + 10X Tier Credit Multiplier

Open a new Caesars Sportsbook account using an eligible promo code and place your first real cash wager of $1 or more at minimum odds of -10000 (1.0001 decimal) or longer.

Min. Odds: +1Valid For: 14 daysMax Cashout: $2,500
Caesars
Odds Boost Token
$2,500

Bet $1, Get 10 x 100% Profit Boosts + 10X Tier Credit Multiplier

Open a new Caesars Sportsbook account using an eligible promo code and place your first real cash wager of $1 or more on any market at minimum odds of -10000 or longer.

Min. Odds: +1Valid For: 14 daysMax Cashout: $2,500
Caesars
Odds Boost Token
$2,500

Bet $1, Get 10 x 100% Profit Boosts + 10X Tier Credit Multiplier

Open a new Caesars Sportsbook account using an eligible promo code and place your first real cash wager of $1 or more at minimum odds of -10000 or longer. The first wager must qualify; subsequent wagers do not count.

Min. Odds: +1Valid For: 14 daysMax Cashout: $2,500

T&Cs apply. Play responsibly. Offers subject to change.

Massachusetts bettors have access to comprehensive MLB odds comparison through OddsGuard, which tracks lines from regulated sportsbooks including DraftKings, FanDuel, and BetMGM. Since the Bay State launched legal online sports betting in 2023, Massachusetts residents can compare real-time MLB betting odds Massachusetts across multiple licensed operators to identify the best available lines and maximize potential returns.

Baseball runs deep in Massachusetts culture, with the Red Sox commanding fierce loyalty from Fenway faithful across New England. The rivalry with the Yankees creates intense betting interest throughout the season, while the team's storied history generates significant handle on futures markets and playoff odds. MLB's 162-game schedule provides daily opportunities for line shopping, making Massachusetts one of the more active baseball betting markets given the state's passionate fan base and the analytical approach many local bettors take toward America's pastime.

What is OddsGuard?

OddsGuard is a free browser extension that overlays real-time odds from 75 sportsbooks directly on the betting site you're already using. No extra tabs, no subscription, no account required.

How it works

  1. 1Install the free extension (10 seconds)
  2. 2Open any supported sportsbook (DraftKings, Bet365, FanDuel, etc.)
  3. 3See better prices highlighted automatically on every bet
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sportsbook.com/futures
Super Bowl Winner
Chiefs+450
+$12
Eagles+600
+2.1% EV
Bills+800
BEST
Lions+900
BEST
49ers+1000
+$8
Ravens+1100
BEST
Bengals+1400
+0.8% EV
Cowboys+1600
+$12

OddsGuard overlay — badges appear automatically on your sportsbook

Upcoming Matches

Today

Colorado Rockies vs San Diego Padres

Tue, Sep 15, 12:41 AM

BookmakerColorado RockiesSan Diego Padres
Best Odds
+4900
Polymarket
-204
BetOpenly
Bally BetBally Bet
+850-5000
BetMGMBetMGM
+800-1667
BetOpenlyBetOpenly
+166-204
DraftKingsDraftKings
+700-1667
FanDuelFanDuel
+1060-3333
FliffFliff
+440-714
PolymarketPolymarket
+4900-10000
theScore BettheScore Bet
+500-1250
CaesarsCaesars
+1100
FanaticsFanatics
KalshiKalshi
ReBetReBet

Los Angeles Angels vs Seattle Mariners

Tue, Sep 15, 1:39 AM

BookmakerLos Angeles AngelsSeattle Mariners
Best Odds
-110
William Hill
+809
Polymarket
Bally BetBally Bet
-2500+800
CaesarsCaesars
-714+450
FanDuelFanDuel
-1667+750
FliffFliff
-909+530
NovigNovig
-1000+733
ReBetReBet
theScore BettheScore Bet
-1250+500
BetMGMBetMGM
+475
DraftKingsDraftKings
-1429
FanaticsFanatics
KalshiKalshi
+669
PolymarketPolymarket
+809
William HillWilliam Hill
-110

Arizona Diamondbacks vs Miami Marlins

Tue, Sep 15, 1:41 AM

BookmakerArizona DiamondbacksMiami Marlins
Best Odds
+614
Kalshi
+120
BetOpenly
BetOpenlyBetOpenly
-135+120
CaesarsCaesars
+500-833
DraftKingsDraftKings
+479-833
FanDuelFanDuel
+480-833
KalshiKalshi
+614-667
PolymarketPolymarket
+614-667
ReBetReBet
William HillWilliam Hill
-137+110
Bally BetBally Bet
-769
BetMGMBetMGM
-625
FanaticsFanatics
FliffFliff
+530

Cleveland Guardians vs Chicago White Sox

Tue, Sep 15, 10:40 PM

BookmakerCleveland GuardiansChicago White Sox
Best Odds
+120
Novig
BetMGMBetMGM
-125+105
BetOpenlyBetOpenly
DraftKingsDraftKings
-130+108
FanaticsFanatics
FanDuelFanDuel
-127+108
KalshiKalshi
-118+113
NovigNovig
-122+120
Bally BetBally Bet
+106
CaesarsCaesars
-130
FliffFliff
-130
ReBetReBet
theScore BettheScore Bet
+110
William HillWilliam Hill
+110

Tampa Bay Rays vs Oakland Athletics

Tue, Sep 15, 10:40 PM

BookmakerTampa Bay RaysOakland Athletics
Best Odds
-213
Novig
+212
Polymarket
CaesarsCaesars
-233+188
FanaticsFanatics
FanDuelFanDuel
-227+188
KalshiKalshi
-222+203
NovigNovig
-213+203
PolymarketPolymarket
-222+212
William HillWilliam Hill
-227+175
Bally BetBally Bet
+185
BetMGMBetMGM
+185
DraftKingsDraftKings
-233
FliffFliff
-238
ReBetReBet
theScore BettheScore Bet
+190

Cincinnati Reds vs Los Angeles Dodgers

Tue, Sep 15, 10:40 PM

BookmakerCincinnati RedsLos Angeles Dodgers
Best Odds
+203
Kalshi
-213
Kalshi
DraftKingsDraftKings
+187-233
FanDuelFanDuel
+184-222
FliffFliff
+195-244
KalshiKalshi
+203-213
PolymarketPolymarket
+203-213
ReBetReBet
theScore BettheScore Bet
+190-227
William HillWilliam Hill
+175-227
Bally BetBally Bet
-227
BetMGMBetMGM
-227
CaesarsCaesars
+192
NovigNovig
+203

Pittsburgh Pirates vs Milwaukee Brewers

Tue, Sep 15, 10:41 PM

BookmakerPittsburgh PiratesMilwaukee Brewers
Best Odds
+217
Novig
-222
Polymarket
CaesarsCaesars
+205-250
FanaticsFanatics
FanDuelFanDuel
+205-250
FliffFliff
+210-263
NovigNovig
+217-227
PolymarketPolymarket
+212-222
ReBetReBet
theScore BettheScore Bet
+200-238
Bally BetBally Bet
+205
BetMGMBetMGM
-250
DraftKingsDraftKings
+201
KalshiKalshi
-233

Washington Nationals vs Philadelphia Phillies

Tue, Sep 15, 10:45 PM

BookmakerWashington NationalsPhiladelphia Phillies
Best Odds
-185
Polymarket
BetOpenlyBetOpenly
FanDuelFanDuel
+180-213
FliffFliff
+180-227
KalshiKalshi
+186-192
PolymarketPolymarket
+178-185
ReBetReBet
theScore BettheScore Bet
+175-208
BetMGMBetMGM
-222
CaesarsCaesars
-208
DraftKingsDraftKings
+177
FanaticsFanatics
NovigNovig
-192
William HillWilliam Hill
+160

Toronto Blue Jays vs Detroit Tigers

Tue, Sep 15, 11:08 PM

BookmakerToronto Blue JaysDetroit Tigers
Best Odds
-127
Kalshi
+127
Kalshi
Bally BetBally Bet
-137+112
BetMGMBetMGM
-141+115
DraftKingsDraftKings
-143+118
FanaticsFanatics
FliffFliff
-141+115
KalshiKalshi
-127+127
PolymarketPolymarket
-127+122
William HillWilliam Hill
-137+110
FanDuelFanDuel
+110
NovigNovig
-133
ReBetReBet
theScore BettheScore Bet
-135

New York Mets vs Baltimore Orioles

Tue, Sep 15, 11:10 PM

BookmakerNew York MetsBaltimore Orioles
Best Odds
Bally BetBally Bet
-130+108
BetOpenlyBetOpenly
FanaticsFanatics
FliffFliff
-130+105
PolymarketPolymarket
-122+117
theScore BettheScore Bet
-130+110
William HillWilliam Hill
-137+110
BetMGMBetMGM
+110
CaesarsCaesars
+109
DraftKingsDraftKings
-132
FanDuelFanDuel
-130
KalshiKalshi
+117
NovigNovig
-122

Chicago Cubs vs Atlanta Braves

Tue, Sep 15, 11:40 PM

BookmakerChicago CubsAtlanta Braves
Best Odds
-128
BetOpenly
Bally BetBally Bet
-141+116
BetMGMBetMGM
-145+118
BetOpenlyBetOpenly
-128
KalshiKalshi
-133+127
ReBetReBet
William HillWilliam Hill
-137+110
CaesarsCaesars
-141
DraftKingsDraftKings
-143
FanaticsFanatics
FanDuelFanDuel
+116
FliffFliff
-141
NovigNovig
+127
PolymarketPolymarket
+127
theScore BettheScore Bet
-141

Minnesota Twins vs New York Yankees

Tue, Sep 15, 11:40 PM

BookmakerMinnesota TwinsNew York Yankees
Best Odds
+167
Novig
-167
FanDuel
BetMGMBetMGM
+145-175
FanDuelFanDuel
+140-167
FliffFliff
+150-185
NovigNovig
+167-169
PolymarketPolymarket
+163-169
ReBetReBet
theScore BettheScore Bet
+150-175
Bally BetBally Bet
-175
CaesarsCaesars
+150
DraftKingsDraftKings
-179
FanaticsFanatics
KalshiKalshi
+163
William HillWilliam Hill
-175

St. Louis Cardinals vs San Francisco Giants

Tue, Sep 15, 11:45 PM

BookmakerSt. Louis CardinalsSan Francisco Giants
Best Odds
-149
Kalshi
+147
Novig
DraftKingsDraftKings
-164+136
FliffFliff
-164+130
KalshiKalshi
-149+144
NovigNovig
-149+147
PolymarketPolymarket
-149+144
ReBetReBet
William HillWilliam Hill
-161+130
Bally BetBally Bet
-161
BetMGMBetMGM
+140
CaesarsCaesars
-164
FanaticsFanatics
FanDuelFanDuel
+136
theScore BettheScore Bet
-164

Tomorrow

Houston Astros vs Kansas City Royals

Wed, Sep 16, 12:10 AM

BookmakerHouston AstrosKansas City Royals
Best Odds
-149
Kalshi
+150
Kalshi
BetMGMBetMGM
-164+135
FanDuelFanDuel
-161+136
FliffFliff
-164+130
KalshiKalshi
-149+150
NovigNovig
-154+147
PolymarketPolymarket
-149+144
ReBetReBet
theScore BettheScore Bet
-154+135
Bally BetBally Bet
+133
CaesarsCaesars
+136
DraftKingsDraftKings
-167
FanaticsFanatics

Colorado Rockies vs San Diego Padres

Wed, Sep 16, 12:40 AM

BookmakerColorado RockiesSan Diego Padres
Best Odds
+170
Novig
-179
Novig
BetMGMBetMGM
+165-200
CaesarsCaesars
+170-204
FanaticsFanatics
FanDuelFanDuel
+158-189
FliffFliff
+160-196
KalshiKalshi
+170-179
NovigNovig
+170-179
PolymarketPolymarket
+170-179
theScore BettheScore Bet
+165-196
DraftKingsDraftKings
+162
ReBetReBet

Los Angeles Angels vs Seattle Mariners

Wed, Sep 16, 1:38 AM

BookmakerLos Angeles AngelsSeattle Mariners
Best Odds
+153
Novig
-156
Novig
Bally BetBally Bet
+135-164
BetMGMBetMGM
+140-169
DraftKingsDraftKings
+144-175
FanaticsFanatics
FanDuelFanDuel
+140-167
KalshiKalshi
+150-156
NovigNovig
+153-156
PolymarketPolymarket
+150-156
ReBetReBet
CaesarsCaesars
+143
theScore BettheScore Bet
-164

Arizona Diamondbacks vs Miami Marlins

Wed, Sep 16, 1:40 AM

BookmakerArizona DiamondbacksMiami Marlins
Best Odds
-139
Polymarket
+135
Novig
Bally BetBally Bet
-143+118
BetMGMBetMGM
-149+125
FanaticsFanatics
FanDuelFanDuel
-147+124
FliffFliff
-149+120
KalshiKalshi
-139+133
NovigNovig
-141+135
PolymarketPolymarket
-139+133
CaesarsCaesars
-154
DraftKingsDraftKings
-156
ReBetReBet
theScore BettheScore Bet
+125

MLB Winner Odds

CompetitorBest Odds
BetMGMBetMGM
DraftKingsDraftKings
FanDuelFanDuel
Los Angeles Dodgers
+220
Milwaukee Brewers
+550
New York Yankees
+750
Tampa Bay Rays
+850
Atlanta Braves
+1400
FanDuel
+1400
Boston Red Sox
+1400
Philadelphia Phillies
+1400
FanDuel
+1400
Chicago Cubs
+1500
Houston Astros
+2000
FanDuel
+2000
Chicago White Sox
+2000
Cleveland Guardians
+2500
San Diego Padres
+3500
Toronto Blue Jays
+6000
FanDuel
+6000
Texas Rangers
+4000
Arizona Diamondbacks
+10000
Baltimore Orioles
+75000
FanDuel
+75000
Pittsburgh Pirates
Seattle Mariners
+75000
FanDuel
+75000
Miami Marlins
St. Louis Cardinals
Minnesota Twins
Detroit Tigers
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MLB Odds Comparison in Massachusetts

MLB odds in American format display favorites with negative numbers and underdogs with positive numbers. A -150 favorite requires a $150 wager to win $100, while a +130 underdog pays $130 on a $100 bet. Massachusetts bettors should focus on moneyline markets for straight-up winners, run line spreads (typically 1.5 runs), and over/under totals on combined runs scored.

Effective line shopping involves comparing identical markets across multiple sportsbooks to find the best price. A difference of 10-15 cents in vig can significantly impact long-term profitability. Massachusetts bettors benefit from the competitive market among licensed operators, creating frequent line discrepancies worth exploiting.

Key factors when evaluating MLB betting Massachusetts opportunities include starting pitchers, bullpen usage, weather conditions, and recent team form. Day games following night games often present value, as do totals in extreme weather conditions at outdoor ballparks.

How do MLB run line odds work in Massachusetts?

MLB run lines typically set at 1.5 runs, with favorites giving 1.5 runs and underdogs receiving 1.5 runs. The favorite must win by 2+ runs to cover, while the underdog covers by winning outright or losing by one run.

What creates the best MLB odds comparison opportunities?

Line movement occurs frequently in baseball due to pitching changes, weather updates, and sharp money. Massachusetts bettors should monitor odds throughout the day, particularly 2-3 hours before first pitch when most information becomes available and books adjust accordingly.

Run Line
Baseball's version of the spread, almost always -1.5 / +1.5. The favorite at -1.5 must win by 2+ runs. Unlike football spreads, the run line rarely moves off 1.5.
Over/Under (Game Total)
A bet on combined runs scored by both teams. MLB totals typically range from 7 to 10.5, heavily influenced by starting pitchers, ballpark dimensions, and weather.
First 5 Innings (F5)
A moneyline, spread, or total that only covers the first five innings. Isolates starting pitcher matchups and removes bullpen variance.
NRFI / YRFI
No Run First Inning / Yes Run First Inning. A popular yes/no prop on whether either team scores in the top or bottom of the first inning.
Listed Pitcher
A bet condition where your wager is only valid if the listed starting pitcher actually starts. If a pitcher is scratched, the bet is voided.
Innings Total
Over/under on the total number of innings played, which can exceed 9 in extra-inning games.
Moneyline
A straight-up wager on which side wins. No point spread involved — you simply pick the winner.
Vig (Juice)
The bookmaker's commission built into every line. Standard vig is around -110 on each side, meaning you risk $110 to win $100.
Implied Probability
The likelihood of an outcome as suggested by the odds. For example, -200 implies a 66.7% chance. Comparing implied probability across bookmakers reveals where value exists.
Closing Line Value (CLV)
The difference between the odds you locked in and the odds at the time the market closes. Consistently beating the closing line is the strongest predictor of long-term betting profit.
Line Movement
Changes in odds between when a market opens and when it closes. Driven by sharp money, public betting patterns, injuries, and other news.
Bankroll
The total amount of money you've set aside specifically for betting. Effective bankroll management — typically risking 1-3% per wager — is essential for surviving variance.
Unit
A standardized bet size, typically 1% of your bankroll. Tracking results in units rather than dollars normalizes performance regardless of stake size.
Hedge
Placing a bet on the opposite side of an existing wager to lock in a guaranteed profit or reduce exposure, often used with futures or parlays.
Parlay (Accumulator)
A single bet combining two or more selections. All picks must win for the parlay to pay out. Higher potential return but significantly lower probability.
Futures
Long-term bets on outcomes determined at the end of a season or tournament, such as championship winners, MVP awards, or win totals.
Live Betting (In-Play)
Placing wagers while a game is in progress. Odds update continuously based on score, time remaining, and game flow.
Overround
The total implied probability across all outcomes in a market. An overround above 100% represents the bookmaker's margin. Lower overround means better value for bettors.

Frequently Asked Questions

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Best Pricing in Your Region

Best PriceKalshi
Return: $6,359
+6259
Pinnacle
Return: $4,729
+4629
BetOnline
Return: $4,485
+4384
BetUS
Return: $4,136
+4036
Same 4-leg parlay · $2,223 difference