MLB Odds (MA, US)

MLB Season: Mar – OctIn Season
SeasonOff-SeasonCurrent Month

June 2026

9 matches · 1 day

Thu, Jun 259 matches
Kansas City Royals@Tampa Bay Rays
4:11 PM
Seattle Mariners@Pittsburgh Pirates
4:36 PM
Oakland Athletics@San Francisco Giants
7:46 PM
Houston Astros@Detroit Tigers
10:41 PM
Philadelphia Phillies@Washington Nationals
10:46 PM
Texas Rangers@Toronto Blue Jays
11:08 PM
Chicago Cubs@New York Mets
11:11 PM
New York Yankees@Boston Red Sox
11:11 PM
Arizona Diamondbacks@St. Louis Cardinals
11:46 PM

9 upcoming matches and outright odds across 30 competitors.

We compare MLB odds across 12 bookmakers in MA, United States

Bally BetBetMGMBetOpenlyCaesarsDraftKingsFanaticsFliffKalshiNovigPolymarketReBettheScore Bet

Get these odds overlaid directly on Kalshi, Novig, Polymarket, 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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Opt in via the Promotions tab, then place winning real-money wagers of at least $10 at minimum -300 odds on any Tennis matches for the Rome tournament to earn Leaderboard Points.

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)
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sportsbook.com/futures
Super Bowl Winner
Chiefs+450
+$12
Eagles+600
+2.1% EV
Bills+800
👍
Lions+900
👍
49ers+1000
+$8
Ravens+1100
👍
Bengals+1400
+0.8% EV
Cowboys+1600
+$12

OddsGuard overlay — badges appear automatically on your sportsbook

Upcoming Matches

Today

Tampa Bay Rays vs Kansas City Royals

Thu, Jun 25, 4:11 PM

BookmakerTampa Bay RaysKansas City Royals
Best Odds
-132
BetOpenly
BetOpenlyBetOpenly
-132
CaesarsCaesars
-141+118
DraftKingsDraftKings
-143+119
FanaticsFanatics
FliffFliff
-149+120
NovigNovig
-133+127
ReBetReBet
William HillWilliam Hill
-137+110
Bally BetBally Bet
+123
BetMGMBetMGM
+120
KalshiKalshi
-133
PolymarketPolymarket
-133

Pittsburgh Pirates vs Seattle Mariners

Thu, Jun 25, 4:36 PM

BookmakerPittsburgh PiratesSeattle Mariners
Best Odds
+127
Polymarket
-133
Novig
Bally BetBally Bet
+120-147
DraftKingsDraftKings
+119-143
FanaticsFanatics
NovigNovig
+127-133
PolymarketPolymarket
+127-133
ReBetReBet
theScore BettheScore Bet
+120-141
William HillWilliam Hill
+120-149
BetMGMBetMGM
-145
CaesarsCaesars
+122
FliffFliff
+120
KalshiKalshi
-139

San Francisco Giants vs Oakland Athletics

Thu, Jun 25, 7:46 PM

BookmakerSan Francisco GiantsOakland Athletics
Best Odds
-123
BetOpenly
BetMGMBetMGM
-141+115
BetOpenlyBetOpenly
-123
CaesarsCaesars
-135+115
FanaticsFanatics
KalshiKalshi
-133+127
NovigNovig
-125+122
PolymarketPolymarket
-127+122
William HillWilliam Hill
-137+110
Bally BetBally Bet
+112
DraftKingsDraftKings
-137
ReBetReBet
theScore BettheScore Bet
+115

Detroit Tigers vs Houston Astros

Thu, Jun 25, 10:41 PM

BookmakerDetroit TigersHouston Astros
Best Odds
+108
Polymarket
BetMGMBetMGM
-118-102
BetOpenlyBetOpenly
DraftKingsDraftKings
-114-106
FliffFliff
-125+100
KalshiKalshi
-118+108
PolymarketPolymarket
-112+108
ReBetReBet
William HillWilliam Hill
-125+100
Bally BetBally Bet
-114
FanaticsFanatics
NovigNovig
+108
theScore BettheScore Bet
+100

Washington Nationals vs Philadelphia Phillies

Thu, Jun 25, 10:46 PM

BookmakerWashington NationalsPhiladelphia Phillies
Best Odds
-172
BetOpenly
Bally BetBally Bet
+150-185
BetMGMBetMGM
+154-189
BetOpenlyBetOpenly
-172
DraftKingsDraftKings
+153-185
FanaticsFanatics
FliffFliff
+165-204
PolymarketPolymarket
+170-179
ReBetReBet
CaesarsCaesars
-189
KalshiKalshi
-179
theScore BettheScore Bet
+155
William HillWilliam Hill
+150

Toronto Blue Jays vs Texas Rangers

Thu, Jun 25, 11:08 PM

BookmakerToronto Blue JaysTexas Rangers
Best Odds
-139
Novig
Bally BetBally Bet
-152+125
BetOpenlyBetOpenly
DraftKingsDraftKings
-156+130
FanaticsFanatics
FliffFliff
-154+125
KalshiKalshi
-145+133
NovigNovig
-139+135
theScore BettheScore Bet
-149+130
William HillWilliam Hill
-149+120
BetMGMBetMGM
-154
CaesarsCaesars
+130

New York Mets vs Chicago Cubs

Thu, Jun 25, 11:11 PM

BookmakerNew York MetsChicago Cubs
Best Odds
-104
Polymarket
Bally BetBally Bet
-114-108
BetMGMBetMGM
-115-105
BetOpenlyBetOpenly
CaesarsCaesars
-115-105
PolymarketPolymarket
-104+100
theScore BettheScore Bet
-115-105
William HillWilliam Hill
-110-110
DraftKingsDraftKings
-114
FanaticsFanatics
FliffFliff
-110
KalshiKalshi
-109
NovigNovig
+102
ReBetReBet

Boston Red Sox vs New York Yankees

Thu, Jun 25, 11:11 PM

BookmakerBoston Red SoxNew York Yankees
Best Odds
+147
Novig
-149
Polymarket
BetOpenlyBetOpenly
+146
DraftKingsDraftKings
+145-175
FliffFliff
+140-175
NovigNovig
+147-149
ReBetReBet
theScore BettheScore Bet
+135-154
William HillWilliam Hill
+138-175
Bally BetBally Bet
-167
BetMGMBetMGM
-164
CaesarsCaesars
+135
FanaticsFanatics
KalshiKalshi
+138
PolymarketPolymarket
-149

St. Louis Cardinals vs Arizona Diamondbacks

Thu, Jun 25, 11:46 PM

BookmakerSt. Louis CardinalsArizona Diamondbacks
Best Odds
-125
Novig
Bally BetBally Bet
-141+117
CaesarsCaesars
-130+110
DraftKingsDraftKings
-135+113
FliffFliff
-135+110
NovigNovig
-125+122
PolymarketPolymarket
-127+117
William HillWilliam Hill
-137+110
BetMGMBetMGM
+110
BetOpenlyBetOpenly
FanaticsFanatics
KalshiKalshi
-127
ReBetReBet
theScore BettheScore Bet
-135

MLB Winner Odds

CompetitorBest Odds
BetMGMBetMGM
DraftKingsDraftKings
Los Angeles Dodgers
New York Yankees
Atlanta Braves
Seattle Mariners
Milwaukee Brewers
Philadelphia Phillies
Toronto Blue Jays
Chicago Cubs
Tampa Bay Rays
Texas Rangers
Cleveland Guardians
Chicago White Sox
Baltimore Orioles
Houston Astros
San Diego Padres
Detroit Tigers
Pittsburgh Pirates
Oakland Athletics
Arizona Diamondbacks
New York Mets
St. Louis Cardinals
Minnesota Twins
Boston Red Sox
Cincinnati Reds
Kansas City Royals
Miami Marlins
Washington Nationals
San Francisco Giants
Los Angeles Angels
Colorado Rockies
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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