MLB Preseason Odds (RI, US)

MLB Preseason Season: Feb – MarOff-Season
SeasonOff-SeasonCurrent Month

May 2026

15 matches · 2 days

Sat, May 167 matches
Toronto Blue Jays@Detroit Tigers
6:10 PM
Kansas City Royals@St. Louis Cardinals
7:15 PM
Arizona Diamondbacks@Colorado Rockies
8:10 PM
Philadelphia Phillies@Pittsburgh Pirates
9:05 PM
Baltimore Orioles@Washington Nationals
9:05 PM
Miami Marlins@Tampa Bay Rays
9:10 PM
Cincinnati Reds@Cleveland Guardians
11:10 PM
Sun, May 178 matches
Texas Rangers@Houston Astros
12:10 AM
Chicago Cubs@Chicago White Sox
12:10 AM
Milwaukee Brewers@Minnesota Twins
12:10 AM
Boston Red Sox@Atlanta Braves
12:15 AM
New York Yankees@New York Mets
12:15 AM
San Diego Padres@Seattle Mariners
12:15 AM
Los Angeles Dodgers@Los Angeles Angels
2:38 AM
San Francisco Giants@Oakland Athletics
2:40 AM

15 upcoming matches.

We compare MLB Preseason odds across 7 bookmakers in RI, United States

BetOpenlyFliffKalshiNovigPolymarketProphetXReBet

Get these odds overlaid directly on Novig, Polymarket, ProphetX, and more.

OddsGuard delivers comprehensive MLB Preseason odds comparison for Rhode Island bettors, tracking lines from regulated sportsbooks including DraftKings and FanDuel operating under the state's legal sports betting framework. Since Rhode Island legalized online sports betting in 2019, bettors can access real-time line movement and identify the best available odds across licensed operators without leaving the Ocean State.

Rhode Island baseball fans gravitate toward the Boston Red Sox due to geographic proximity and New England regional loyalty, making Red Sox preseason futures and win totals particularly popular among local bettors. The Yankees also command significant handle from contrarian Rhode Island bettors, while Mets odds draw interest from the state's substantial New York transplant population. MLB Preseason betting odds Rhode Island markets show heightened activity around these regional connections, with spring training performance often influencing regular season expectations and creating value opportunities in futures markets.

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
Free forever No registration Privacy first
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

Today

Detroit Tigers vs Toronto Blue Jays

Sat, May 16, 6:10 PM

BookmakerDetroit TigersToronto Blue Jays
Best Odds
-114
BetOpenly
+114
BetOpenly
BetOpenlyBetOpenly
-114+114
FliffFliff
-125+100
KalshiKalshi
-118+113
NovigNovig
-115+111
PolymarketPolymarket
-118+113
ProphetXProphetX
-119+110
ReBetReBet
-125+105

St. Louis Cardinals vs Kansas City Royals

Sat, May 16, 7:15 PM

BookmakerSt. Louis CardinalsKansas City Royals
Best Odds
-109
Kalshi
+109
BetOpenly
BetOpenlyBetOpenly
-114+109
FliffFliff
-120-105
KalshiKalshi
-109+104
NovigNovig
-109+107
PolymarketPolymarket
-109+104
ProphetXProphetX
-114+109
ReBetReBet
-125-105

Colorado Rockies vs Arizona Diamondbacks

Sat, May 16, 8:10 PM

BookmakerColorado RockiesArizona Diamondbacks
Best Odds
+133
Kalshi
-132
BetOpenly
BetOpenlyBetOpenly
+132-132
FliffFliff
+125-154
KalshiKalshi
+133-139
NovigNovig
+131-133
PolymarketPolymarket
+127-133
ProphetXProphetX
+129-133
ReBetReBet
+115-149

Pittsburgh Pirates vs Philadelphia Phillies

Sat, May 16, 9:05 PM

BookmakerPittsburgh PiratesPhiladelphia Phillies
Best Odds
+160
BetOpenly
-156
Polymarket
BetOpenlyBetOpenly
+160-161
FliffFliff
+145-185
KalshiKalshi
+156-164
NovigNovig
+154-159
PolymarketPolymarket
+150-156
ProphetXProphetX
+154-161
ReBetReBet
+140-179

Washington Nationals vs Baltimore Orioles

Sat, May 16, 9:05 PM

BookmakerWashington NationalsBaltimore Orioles
Best Odds
+102
BetOpenly
+100
Polymarket
BetOpenlyBetOpenly
+102-102
FliffFliff
-110-115
KalshiKalshi
+100+100
NovigNovig
+100-101
PolymarketPolymarket
-104+100
ProphetXProphetX
-101-102
ReBetReBet
-110-115

Tampa Bay Rays vs Miami Marlins

Sat, May 16, 9:10 PM

BookmakerTampa Bay RaysMiami Marlins
Best Odds
-132
Novig
+130
ProphetX
BetOpenlyBetOpenly
-132+128
FliffFliff
-149+120
KalshiKalshi
-133+127
NovigNovig
-132+130
PolymarketPolymarket
-133+127
ProphetXProphetX
-135+130
ReBetReBet
-149+115

Cleveland Guardians vs Cincinnati Reds

Sat, May 16, 11:10 PM

BookmakerCleveland GuardiansCincinnati Reds
Best Odds
-156
BetOpenly
+159
BetOpenly
BetOpenlyBetOpenly
-156+159
FliffFliff
-179+145
KalshiKalshi
-164+156
NovigNovig
-156+154
PolymarketPolymarket
-164+156
ProphetXProphetX
-164+152
ReBetReBet
-185+145

Tomorrow

Houston Astros vs Texas Rangers

Sun, May 17, 12:10 AM

BookmakerHouston AstrosTexas Rangers
Best Odds
+138
Kalshi
-132
BetOpenly
BetOpenlyBetOpenly
+132-132
FliffFliff
+125-154
KalshiKalshi
+138-139
NovigNovig
+136-137
PolymarketPolymarket
+133-139
ProphetXProphetX
+132-139
ReBetReBet
+115-149

Chicago White Sox vs Chicago Cubs

Sun, May 17, 12:10 AM

BookmakerChicago White SoxChicago Cubs
Best Odds
+101
BetOpenly
-101
BetOpenly
BetOpenlyBetOpenly
+101-101
FliffFliff
-110-115
NovigNovig
+100-104
PolymarketPolymarket
+100-104
ProphetXProphetX
+101-104
ReBetReBet
-110-115

Minnesota Twins vs Milwaukee Brewers

Sun, May 17, 12:10 AM

BookmakerMinnesota TwinsMilwaukee Brewers
Best Odds
+117
Polymarket
-116
BetOpenly
BetOpenlyBetOpenly
+116-116
FliffFliff
+105-130
KalshiKalshi
+113-118
NovigNovig
+115-118
PolymarketPolymarket
+117-122
ProphetXProphetX
+113-120
ReBetReBet
+100-130

Atlanta Braves vs Boston Red Sox

Sun, May 17, 12:15 AM

BookmakerAtlanta BravesBoston Red Sox
Best Odds
-128
BetOpenly
+134
BetOpenly
BetOpenlyBetOpenly
-128+134
FliffFliff
-149+120
KalshiKalshi
-133+127
NovigNovig
-132+127
PolymarketPolymarket
-133+127
ProphetXProphetX
-133+127
ReBetReBet
-149+115

New York Mets vs New York Yankees

Sun, May 17, 12:15 AM

BookmakerNew York MetsNew York Yankees
Best Odds
+125
BetOpenly
-120
BetOpenly
BetOpenlyBetOpenly
+125-120
FliffFliff
+115-141
KalshiKalshi
+117-122
NovigNovig
+118-123
PolymarketPolymarket
+117-122
ProphetXProphetX
+105-123
ReBetReBet
+110-141

Seattle Mariners vs San Diego Padres

Sun, May 17, 12:15 AM

BookmakerSeattle MarinersSan Diego Padres
Best Odds
-149
Novig
+144
Polymarket
FliffFliff
-164+130
KalshiKalshi
-149+144
NovigNovig
-149+143
PolymarketPolymarket
-149+144
ProphetXProphetX
-152+120
ReBetReBet
-169+135

Los Angeles Angels vs Los Angeles Dodgers

Sun, May 17, 2:38 AM

BookmakerLos Angeles AngelsLos Angeles Dodgers
Best Odds
+128
BetOpenly
-128
BetOpenly
BetOpenlyBetOpenly
+128-128
FliffFliff
+120-145
KalshiKalshi
+122-133
NovigNovig
+123-130
PolymarketPolymarket
+127-133
ProphetXProphetX
+123-130
ReBetReBet
+115-145

Oakland Athletics vs San Francisco Giants

Sun, May 17, 2:40 AM

BookmakerOakland AthleticsSan Francisco Giants
Best Odds
-122
Polymarket
+129
BetOpenly
BetOpenlyBetOpenly
-128+129
FliffFliff
-135+105
KalshiKalshi
-122+117
NovigNovig
-123+118
PolymarketPolymarket
-122+117
ProphetXProphetX
-127+118
ReBetReBet
-141+110

Get MLB PRESEASON odds compared automatically — right where you bet.

Install the free OddsGuard browser extension and see better prices overlaid directly on DraftKings, FanDuel, Bet365, and more. 10 seconds to install. No account needed.

75 sportsbooks compared$0/mo replaces $200–$400/mo tools10 sec install time
100% Free No Registration Privacy First
MarketYouBestSave
Moneyline-115-105+$5
Spread -3.5-112-102+$7
Over 217.5-110+100+$15

MLB Preseason Odds Comparison in Rhode Island

MLB Preseason odds in American format display positive numbers for underdogs (+150 means a $100 bet wins $150) and negative numbers for favorites (-200 means bet $200 to win $100). Moneylines dominate preseason action, though season win totals and division futures create the most significant betting handle. Smart Rhode Island bettors compare lines across multiple books since preseason odds can vary dramatically—a team's championship future might be +1200 at one sportsbook and +1400 at another.

Line shopping becomes crucial during spring training when injury news and roster moves create rapid market adjustments. Rhode Island's regulated market ensures transparent odds movement, allowing bettors to track which books adjust quickest to breaking news. Focus on closing line value rather than early odds, as preseason markets lack the liquidity of regular season games.

How do MLB Preseason odds differ from regular season lines?

Preseason odds feature wider spreads and higher vig due to limited information and smaller betting handle. Futures markets dominate over individual game betting, with season win totals and championship odds seeing the most action from Rhode Island bettors.

Which MLB Preseason betting Rhode Island markets offer the best value?

Division futures and season win totals typically offer better value than championship odds, as books struggle to accurately price teams' true talent levels before meaningful games begin. Regional bias toward Red Sox futures can create inefficiencies in other AL East markets.

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

Stop Leaving Money on the Table

Same Bets. Better Prices. Found Instantly.

The same 4-leg parlay can pay $10,000s more at a different sportsbook. OddsGuard finds the best price across 75 books in real time — replacing tools that charge $200–$600/month.

Free foreverNo registrationNo credit cardUninstall anytime

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

We value your privacy

We use cookies to enhance your browsing experience, serve personalized content, and analyze our traffic. By clicking "Accept All", you consent to our use of cookies.