MLB Odds (MA, US)

MLB Season: Mar – OctIn Season
SeasonOff-SeasonCurrent Month

May 2026

15 matches · 2 days

Sat, May 1613 matches
Toronto Blue Jays@Detroit Tigers
5:11 PM
Kansas City Royals@St. Louis Cardinals
6:16 PM
Arizona Diamondbacks@Colorado Rockies
7:11 PM
Philadelphia Phillies@Pittsburgh Pirates
8:06 PM
Baltimore Orioles@Washington Nationals
8:06 PM
Miami Marlins@Tampa Bay Rays
8:11 PM
Cincinnati Reds@Cleveland Guardians
10:11 PM
Texas Rangers@Houston Astros
11:11 PM
Chicago Cubs@Chicago White Sox
11:11 PM
Milwaukee Brewers@Minnesota Twins
11:11 PM
Boston Red Sox@Atlanta Braves
11:16 PM
New York Yankees@New York Mets
11:16 PM
San Diego Padres@Seattle Mariners
11:16 PM
Sun, May 172 matches
Los Angeles Dodgers@Los Angeles Angels
1:39 AM
San Francisco Giants@Oakland Athletics
1:41 AM

15 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

Win Your Share of $50k in Bonus Bets on the Rome Tennis Leaderboard

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
$12,500

Win Your Share of $50,000 in Bonus Bets on the Rome Tennis Leaderboard

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
$12,500

Win Your Share of $50,000 in Bonus Bets on the Rome Tennis Leaderboard

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 during the promotional period to earn leaderboard points.

Wagering: 1xMin. Odds: +1.33Valid For: 7 days
BetMGM (US)
Bonus Bet
$12,500

Win Your Share of $50,000 in Bonus Bets on the Rome Tennis Leaderboard

Opt in via the Promotions tab, then place winning real-money wagers of at least $10 at minimum -300 odds on Tennis matches for the Rome tournament to earn leaderboard points.

Wagering: 1xMin. Odds: +1.33Valid For: 7 days
BetMGM (US)
Bonus Bet
$12,500

Win Your Share of $50,000 in Bonus Bets on the Rome Tennis Leaderboard

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
$12,500

Win Your Share of $50,000 in Bonus Bets on the Rome Tennis Leaderboard

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

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
👍
Lions+900
👍
49ers+1000
+$8
Ravens+1100
👍
Bengals+1400
+0.8% EV
Cowboys+1600
+$12

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Upcoming Matches

Today

Detroit Tigers vs Toronto Blue Jays

Sat, May 16, 5:11 PM

BookmakerDetroit TigersToronto Blue Jays
Best Odds
-115
Novig
+120
BetOpenly
Bally BetBally Bet
-125+104
BetOpenlyBetOpenly
-120+120
DraftKingsDraftKings
-122+102
FanaticsFanatics
-120+100
FliffFliff
-125+100
KalshiKalshi
-122+113
NovigNovig
-115+112
PolymarketPolymarket
-118+113
theScore BettheScore Bet
-130+110
CaesarsCaesars
+105
ReBetReBet
-125

St. Louis Cardinals vs Kansas City Royals

Sat, May 16, 6:16 PM

BookmakerSt. Louis CardinalsKansas City Royals
Best Odds
-109
Kalshi
+110
BetOpenly
Bally BetBally Bet
-118-105
BetOpenlyBetOpenly
-114+110
CaesarsCaesars
-120+100
DraftKingsDraftKings
-122+101
FliffFliff
-120-105
KalshiKalshi
-109+104
NovigNovig
-110+107
ReBetReBet
-125-105
theScore BettheScore Bet
-120+100
FanaticsFanatics
+100
PolymarketPolymarket
-109

Colorado Rockies vs Arizona Diamondbacks

Sat, May 16, 7:11 PM

BookmakerColorado RockiesArizona Diamondbacks
Best Odds
+133
Kalshi
-132
BetOpenly
Bally BetBally Bet
+118-143
BetOpenlyBetOpenly
+132-132
CaesarsCaesars
+118-141
DraftKingsDraftKings
+119-143
FanaticsFanatics
+120-145
FliffFliff
+125-154
KalshiKalshi
+133-139
NovigNovig
+130-133
PolymarketPolymarket
+127-133
ReBetReBet
-149
theScore BettheScore Bet
+115

Pittsburgh Pirates vs Philadelphia Phillies

Sat, May 16, 8:06 PM

BookmakerPittsburgh PiratesPhiladelphia Phillies
Best Odds
+156
Kalshi
-156
Polymarket
Bally BetBally Bet
+148-179
CaesarsCaesars
+143-169
DraftKingsDraftKings
+144-175
FanaticsFanatics
+140-169
FliffFliff
+145-179
KalshiKalshi
+156-164
PolymarketPolymarket
+150-156
ReBetReBet
+140-179
theScore BettheScore Bet
+150-175
BetOpenlyBetOpenly
-161
NovigNovig
+152

Washington Nationals vs Baltimore Orioles

Sat, May 16, 8:06 PM

BookmakerWashington NationalsBaltimore Orioles
Best Odds
+105
BetOpenly
+100
Polymarket
Bally BetBally Bet
-108-114
BetOpenlyBetOpenly
+105-105
FanaticsFanatics
-110-110
FliffFliff
-110-115
KalshiKalshi
+100+100
NovigNovig
-101-101
PolymarketPolymarket
-104+100
ReBetReBet
-110-115
theScore BettheScore Bet
-105-115
CaesarsCaesars
-115
DraftKingsDraftKings
-108

Tampa Bay Rays vs Miami Marlins

Sat, May 16, 8:11 PM

BookmakerTampa Bay RaysMiami Marlins
Best Odds
-130
BetOpenly
+128
BetOpenly
Bally BetBally Bet
-141+116
BetOpenlyBetOpenly
-130+128
CaesarsCaesars
-149+126
FanaticsFanatics
-141+115
FliffFliff
-141+115
KalshiKalshi
-133+127
NovigNovig
-133+128
PolymarketPolymarket
-133+127
ReBetReBet
-145+115
DraftKingsDraftKings
-147
theScore BettheScore Bet
+125

Cleveland Guardians vs Cincinnati Reds

Sat, May 16, 10:11 PM

BookmakerCleveland GuardiansCincinnati Reds
Best Odds
-156
BetOpenly
+161
BetOpenly
Bally BetBally Bet
-179+148
BetOpenlyBetOpenly
-156+161
CaesarsCaesars
-179+150
DraftKingsDraftKings
-182+149
FliffFliff
-175+140
KalshiKalshi
-164+156
NovigNovig
-159+155
PolymarketPolymarket
-164+156
ReBetReBet
-185+145
FanaticsFanatics
-175
theScore BettheScore Bet
+145

Houston Astros vs Texas Rangers

Sat, May 16, 11:11 PM

BookmakerHouston AstrosTexas Rangers
Best Odds
+138
Kalshi
-135
BetOpenly
BetOpenlyBetOpenly
+135-135
CaesarsCaesars
+118-141
DraftKingsDraftKings
+119-143
FanaticsFanatics
+120-145
FliffFliff
+125-154
KalshiKalshi
+138-139
NovigNovig
+134-137
PolymarketPolymarket
+133-139
theScore BettheScore Bet
+125-145
Bally BetBally Bet
-141
ReBetReBet
+115

Chicago White Sox vs Chicago Cubs

Sat, May 16, 11:11 PM

BookmakerChicago White SoxChicago Cubs
Best Odds
+100
BetOpenly
+100
BetOpenly
Bally BetBally Bet
-108-115
BetOpenlyBetOpenly
+100+100
CaesarsCaesars
-110-110
DraftKingsDraftKings
-109-110
FanaticsFanatics
-110-110
FliffFliff
-110-115
NovigNovig
+100-105
PolymarketPolymarket
+100-104
ReBetReBet
-110-115
theScore BettheScore Bet
-110-110

Minnesota Twins vs Milwaukee Brewers

Sat, May 16, 11:11 PM

BookmakerMinnesota TwinsMilwaukee Brewers
Best Odds
+117
Polymarket
-118
Novig
Bally BetBally Bet
+104-125
CaesarsCaesars
+105-125
FanaticsFanatics
+105-125
FliffFliff
+105-130
KalshiKalshi
+113-118
NovigNovig
+116-118
PolymarketPolymarket
+117-122
ReBetReBet
+100-130
theScore BettheScore Bet
+105-125
BetOpenlyBetOpenly
-118
DraftKingsDraftKings
+104

Atlanta Braves vs Boston Red Sox

Sat, May 16, 11:16 PM

BookmakerAtlanta BravesBoston Red Sox
Best Odds
-128
BetOpenly
+128
BetOpenly
BetOpenlyBetOpenly
-128+128
CaesarsCaesars
-145+122
DraftKingsDraftKings
-149+123
FanaticsFanatics
-145+120
FliffFliff
-149+120
KalshiKalshi
-133+127
PolymarketPolymarket
-133+127
ReBetReBet
-149+120
theScore BettheScore Bet
-141+120
Bally BetBally Bet
-147
NovigNovig
+127

New York Mets vs New York Yankees

Sat, May 16, 11:16 PM

BookmakerNew York MetsNew York Yankees
Best Odds
+125
BetOpenly
-122
Polymarket
Bally BetBally Bet
+112-137
BetOpenlyBetOpenly
+125-125
DraftKingsDraftKings
+113-135
FanaticsFanatics
+110-130
KalshiKalshi
+117-122
NovigNovig
+119-122
PolymarketPolymarket
+117-122
ReBetReBet
+110-141
theScore BettheScore Bet
+110-130
CaesarsCaesars
+115
FliffFliff
-141

Seattle Mariners vs San Diego Padres

Sat, May 16, 11:16 PM

BookmakerSeattle MarinersSan Diego Padres
Best Odds
-149
Novig
+144
Novig
Bally BetBally Bet
-161+132
CaesarsCaesars
-161+135
DraftKingsDraftKings
-167+139
FanaticsFanatics
-164+135
FliffFliff
-161+130
KalshiKalshi
-149+144
NovigNovig
-149+144
PolymarketPolymarket
-149+144
ReBetReBet
-169+135
theScore BettheScore Bet
-154+135

Tomorrow

Los Angeles Angels vs Los Angeles Dodgers

Sun, May 17, 1:39 AM

BookmakerLos Angeles AngelsLos Angeles Dodgers
Best Odds
+127
Novig
-127
Kalshi
Bally BetBally Bet
+114-137
BetOpenlyBetOpenly
+126-127
CaesarsCaesars
+118-141
DraftKingsDraftKings
+119-143
FanaticsFanatics
+115-141
KalshiKalshi
+122-127
PolymarketPolymarket
+127-133
ReBetReBet
+115-145
theScore BettheScore Bet
+115-135
FliffFliff
-145
NovigNovig
+127

Oakland Athletics vs San Francisco Giants

Sun, May 17, 1:41 AM

BookmakerOakland AthleticsSan Francisco Giants
Best Odds
-122
Polymarket
+120
Novig
Bally BetBally Bet
-132+108
CaesarsCaesars
-135+115
DraftKingsDraftKings
-135+113
FanaticsFanatics
-130+110
FliffFliff
-135+105
KalshiKalshi
-122+117
NovigNovig
-123+120
PolymarketPolymarket
-122+117
ReBetReBet
-141+110
theScore BettheScore Bet
-130+110

MLB Outrights & Futures

CompetitorBest Odds
DraftKingsDraftKings
Los Angeles Dodgers
+225
DraftKings
+225
New York Yankees
+600
DraftKings
+600
Atlanta Braves
+900
DraftKings
+900
Seattle Mariners
+1000
DraftKings
+1000
Chicago Cubs
+1000
DraftKings
+1000
Tampa Bay Rays
+1800
DraftKings
+1800
Texas Rangers
+1900
DraftKings
+1900
Philadelphia Phillies
+2000
DraftKings
+2000
Milwaukee Brewers
+2500
DraftKings
+2500
Toronto Blue Jays
+2500
DraftKings
+2500
Detroit Tigers
+3500
DraftKings
+3500
San Diego Padres
+4000
DraftKings
+4000
Kansas City Royals
+4000
DraftKings
+4000
Cleveland Guardians
+4500
DraftKings
+4500
Boston Red Sox
+5000
DraftKings
+5000
Baltimore Orioles
+5000
DraftKings
+5000
New York Mets
+5500
DraftKings
+5500
Pittsburgh Pirates
+5500
DraftKings
+5500
Oakland Athletics
+5500
DraftKings
+5500
Houston Astros
+7500
DraftKings
+7500
Arizona Diamondbacks
+8000
DraftKings
+8000
Minnesota Twins
+10000
DraftKings
+10000
Cincinnati Reds
+10000
DraftKings
+10000
St. Louis Cardinals
+13000
DraftKings
+13000
San Francisco Giants
+15000
DraftKings
+15000
Chicago White Sox
+20000
DraftKings
+20000
Miami Marlins
+25000
DraftKings
+25000
Los Angeles Angels
+30000
DraftKings
+30000
Colorado Rockies
+50000
DraftKings
+50000
Washington Nationals
+50000
DraftKings
+50000
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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

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