MLB Preseason Odds (PR, 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 8 bookmakers in PR, United States

BetMGMBetOpenlyCaesarsFliffKalshiNovigPolymarketReBet

Get these odds overlaid directly on Caesars, Fliff, Kalshi, and more.

Sportsbook Bonuses in PR, United States

OddsGuard tracks the latest sportsbook promotions available in PR, 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.

OddsGuard delivers comprehensive MLB Preseason odds comparison for Puerto Rico bettors, tracking lines from offshore and international bookmakers including Bovada, BetOnline, and MyBookie. While online sports betting remains unregulated in Puerto Rico, bettors can access detailed MLB Preseason betting odds Puerto Rico through our neutral comparison platform, ensuring they identify the best available lines across multiple markets.

Spring training carries special significance for Puerto Rican baseball fans, who closely follow stars like Francisco Lindor with the Mets and Carlos Correa's moves throughout the preseason. The island's rich baseball heritage creates intense interest in how Caribbean players perform during exhibition play, with many bettors tracking veteran pitchers and prospects alike. MLB Preseason odds Puerto Rico reflect this engagement, with markets often showing sharp line movement on games featuring Puerto Rican talent or teams with strong Caribbean connections like Miami and Tampa Bay.

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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
CaesarsCaesars
-125+105
FliffFliff
-125+100
KalshiKalshi
-118+113
NovigNovig
-115+111
PolymarketPolymarket
-118+113
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
CaesarsCaesars
-120+100
FliffFliff
-120-105
KalshiKalshi
-109+104
NovigNovig
-109+108
PolymarketPolymarket
-109+104
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
CaesarsCaesars
+118-141
FliffFliff
+125-154
KalshiKalshi
+133-139
NovigNovig
+131-133
PolymarketPolymarket
+127-133
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
CaesarsCaesars
+143-169
FliffFliff
+145-185
KalshiKalshi
+156-164
NovigNovig
+154-159
PolymarketPolymarket
+150-156
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
CaesarsCaesars
-105-115
FliffFliff
-110-115
KalshiKalshi
+100+100
NovigNovig
+100-101
PolymarketPolymarket
-104+100
ReBetReBet
-110-115

Tampa Bay Rays vs Miami Marlins

Sat, May 16, 9:10 PM

BookmakerTampa Bay RaysMiami Marlins
Best Odds
-127
BetOpenly
+130
Novig
BetOpenlyBetOpenly
-127+128
CaesarsCaesars
-149+126
FliffFliff
-149+120
KalshiKalshi
-133+127
NovigNovig
-132+130
PolymarketPolymarket
-133+127
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
CaesarsCaesars
-179+150
FliffFliff
-179+145
KalshiKalshi
-164+156
NovigNovig
-156+154
PolymarketPolymarket
-164+156
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
CaesarsCaesars
+118-141
FliffFliff
+125-154
KalshiKalshi
+138-139
NovigNovig
+135-137
PolymarketPolymarket
+133-139
ReBetReBet
+115-149

Chicago White Sox vs Chicago Cubs

Sun, May 17, 12:10 AM

BookmakerChicago White SoxChicago Cubs
Best Odds
+102
BetOpenly
-102
BetOpenly
BetOpenlyBetOpenly
+102-102
CaesarsCaesars
-110-110
FliffFliff
-110-115
NovigNovig
+100-104
PolymarketPolymarket
+100-104
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
CaesarsCaesars
+105-125
FliffFliff
+105-130
KalshiKalshi
+113-118
NovigNovig
+114-118
PolymarketPolymarket
+117-122
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
CaesarsCaesars
-141+118
FliffFliff
-149+120
KalshiKalshi
-133+127
NovigNovig
-128+127
PolymarketPolymarket
-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
CaesarsCaesars
+115-135
FliffFliff
+115-141
KalshiKalshi
+117-122
NovigNovig
+118-123
PolymarketPolymarket
+117-122
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
CaesarsCaesars
-161+135
FliffFliff
-164+130
KalshiKalshi
-149+144
NovigNovig
-149+143
PolymarketPolymarket
-149+144
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
CaesarsCaesars
+118-141
FliffFliff
+120-145
KalshiKalshi
+122-133
NovigNovig
+123-130
PolymarketPolymarket
+127-133
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
CaesarsCaesars
-135+115
FliffFliff
-135+105
KalshiKalshi
-122+117
NovigNovig
-123+118
PolymarketPolymarket
-122+117
ReBetReBet
-141+110

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

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Moneyline-115-105+$5
Spread -3.5-112-102+$7
Over 217.5-110+100+$15

MLB Preseason Odds Comparison in Puerto Rico

MLB Preseason odds appear in American format, with favorites showing negative numbers (-150) and underdogs displaying positive values (+130). Moneylines dominate spring training betting, as exhibition games often feature experimental lineups and limited innings for star players. Run totals typically sit lower than regular season due to shorter games and pitcher management, making over/under bets particularly volatile.

Smart Puerto Rico bettors compare lines across multiple offshore books through OddsGuard, as preseason markets show significant variance. Exhibition games create unique handicapping challenges — veteran stars may play three innings while prospects get extended looks. Line movement often reflects roster news rather than traditional power ratings, making real-time odds comparison essential for identifying value.

How do MLB Preseason odds differ from regular season lines?

Preseason odds carry higher vig and wider spreads due to uncertainty around playing time and lineups. Books limit betting limits and focus primarily on moneyline and total runs markets, avoiding complex props until regular season begins.

Which MLB Preseason betting Puerto Rico markets offer the best value?

Run totals often present the strongest opportunities, as books struggle to set accurate numbers with constantly changing pitching rotations and experimental lineups throughout spring training games.

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

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