MLB Preseason Odds (RI, US)

MLB Preseason Season: Feb – MarOff-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.

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.

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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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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
FliffFliff
-149+120
KalshiKalshi
-133+127
NovigNovig
-133+130
PolymarketPolymarket
-133+127
ProphetXProphetX
-133+127
ReBetReBet

Pittsburgh Pirates vs Seattle Mariners

Thu, Jun 25, 4:36 PM

BookmakerPittsburgh PiratesSeattle Mariners
Best Odds
+132
ProphetX
BetOpenlyBetOpenly
FliffFliff
+120-149
KalshiKalshi
+127-139
NovigNovig
+127-135
PolymarketPolymarket
+127-133
ProphetXProphetX
+132-135
ReBetReBet

San Francisco Giants vs Oakland Athletics

Thu, Jun 25, 7:46 PM

BookmakerSan Francisco GiantsOakland Athletics
Best Odds
-123
BetOpenly
BetOpenlyBetOpenly
-123
KalshiKalshi
-133+122
NovigNovig
-127+122
PolymarketPolymarket
-127+122
ProphetXProphetX
-128+122
ReBetReBet

Detroit Tigers vs Houston Astros

Thu, Jun 25, 10:41 PM

BookmakerDetroit TigersHouston Astros
Best Odds
+109
ProphetX
BetOpenlyBetOpenly
FliffFliff
-125+100
KalshiKalshi
-118+108
NovigNovig
-111+108
PolymarketPolymarket
-109+104
ProphetXProphetX
-110+109
ReBetReBet

Washington Nationals vs Philadelphia Phillies

Thu, Jun 25, 10:46 PM

BookmakerWashington NationalsPhiladelphia Phillies
Best Odds
-169
Polymarket
BetOpenlyBetOpenly
-172
FliffFliff
+165-204
KalshiKalshi
+163-179
NovigNovig
+167-175
PolymarketPolymarket
+163-169
ProphetXProphetX
+168-175
ReBetReBet

Toronto Blue Jays vs Texas Rangers

Thu, Jun 25, 11:08 PM

BookmakerToronto Blue JaysTexas Rangers
Best Odds
-139
Novig
BetOpenlyBetOpenly
FliffFliff
-154+125
KalshiKalshi
-145+133
NovigNovig
-139+135
PolymarketPolymarket
-145+138
ProphetXProphetX
-143+138
ReBetReBet

New York Mets vs Chicago Cubs

Thu, Jun 25, 11:11 PM

BookmakerNew York MetsChicago Cubs
Best Odds
-104
Polymarket
+102
ProphetX
BetOpenlyBetOpenly
-104
FliffFliff
-115-110
KalshiKalshi
-109+100
NovigNovig
-104+102
PolymarketPolymarket
-104+100
ProphetXProphetX
-106+102
ReBetReBet

Boston Red Sox vs New York Yankees

Thu, Jun 25, 11:11 PM

BookmakerBoston Red SoxNew York Yankees
Best Odds
+147
Novig
-147
ProphetX
BetOpenlyBetOpenly
+146
FliffFliff
+140-175
KalshiKalshi
+138-149
NovigNovig
+147-149
PolymarketPolymarket
+144-149
ProphetXProphetX
+144-147
ReBetReBet

St. Louis Cardinals vs Arizona Diamondbacks

Thu, Jun 25, 11:46 PM

BookmakerSt. Louis CardinalsArizona Diamondbacks
Best Odds
+122
Novig
BetOpenlyBetOpenly
FliffFliff
-135+110
KalshiKalshi
-127+122
NovigNovig
-127+122
PolymarketPolymarket
-127+122
ProphetXProphetX
-128+122
ReBetReBet

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.

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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.

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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