MLB Preseason Odds (IA, 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 and outright odds across 30 competitors.

We compare MLB Preseason odds across 14 bookmakers in IA, United States

Bally BetBetMGMBetOpenlyBetRiversCaesarsDraftKingsFanaticsFanDuelFliffKalshiNovigPolymarketReBettheScore Bet

Get these odds overlaid directly on Fanatics, FanDuel, Fliff, and more.

Sportsbook Bonuses in IA, United States

OddsGuard tracks the latest sportsbook promotions available in IA, 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
$1,

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 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.

OddsGuard delivers comprehensive MLB Preseason odds comparison for Iowa bettors, tracking lines from regulated sportsbooks including DraftKings, FanDuel, and BetMGM. Since Iowa legalized online sports betting in 2019, bettors can access real-time line movement and vig comparison across licensed operators, ensuring they find the sharpest MLB Preseason betting odds Iowa markets offer.

While Iowa lacks a home MLB franchise, the state's baseball fans gravitate toward the Chicago Cubs and Cardinals, with Kansas City Royals drawing significant support in western counties. Spring training generates substantial handle as Iowa bettors assess roster changes and prospect development. The preseason market offers unique value opportunities before regular season adjustments tighten spreads, making early line shopping particularly crucial for maximizing closing line value in these exhibition matchups.

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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
-127
Kalshi
BetOpenlyBetOpenly
-132
CaesarsCaesars
-141+118
DraftKingsDraftKings
-143+119
FanDuelFanDuel
-135+116
FliffFliff
-145+120
NovigNovig
-130+127
William HillWilliam Hill
-149+120
Bally BetBally Bet
+120
BetMGMBetMGM
+118
BetRiversBetRivers
+118
FanaticsFanatics
KalshiKalshi
-127
PolymarketPolymarket
-133

Pittsburgh Pirates vs Seattle Mariners

Thu, Jun 25, 4:36 PM

BookmakerPittsburgh PiratesSeattle Mariners
Best Odds
+133
Polymarket
-133
Kalshi
DraftKingsDraftKings
+123-147
FanaticsFanatics
FanDuelFanDuel
+122-145
NovigNovig
+130-135
ReBetReBet
theScore BettheScore Bet
+125-145
William HillWilliam Hill
+120-149
Bally BetBally Bet
+120
BetMGMBetMGM
-154
BetRiversBetRivers
-149
CaesarsCaesars
+130
KalshiKalshi
-133
PolymarketPolymarket
+133

San Francisco Giants vs Oakland Athletics

Thu, Jun 25, 7:46 PM

BookmakerSan Francisco GiantsOakland Athletics
Best Odds
-122
Polymarket
BetOpenlyBetOpenly
-123
BetRiversBetRivers
-137+110
FanDuelFanDuel
-130+110
NovigNovig
-125+120
PolymarketPolymarket
-122+117
William HillWilliam Hill
-137+110
Bally BetBally Bet
+112
BetMGMBetMGM
-135
CaesarsCaesars
+115
DraftKingsDraftKings
-132
FanaticsFanatics
KalshiKalshi
-127
ReBetReBet
theScore BettheScore Bet
+110

Detroit Tigers vs Houston Astros

Thu, Jun 25, 10:41 PM

BookmakerDetroit TigersHouston Astros
Best Odds
-109
Polymarket
+106
Novig
BetMGMBetMGM
-115-105
DraftKingsDraftKings
-115-105
FliffFliff
-120-105
KalshiKalshi
-112+104
PolymarketPolymarket
-109+104
ReBetReBet
William HillWilliam Hill
-125+100
Bally BetBally Bet
-115
BetOpenlyBetOpenly
FanaticsFanatics
FanDuelFanDuel
-110
NovigNovig
+106
theScore BettheScore Bet
-105

Washington Nationals vs Philadelphia Phillies

Thu, Jun 25, 10:46 PM

BookmakerWashington NationalsPhiladelphia Phillies
Best Odds
+160
Fliff
-169
Polymarket
Bally BetBally Bet
+155-196
BetMGMBetMGM
+150-185
BetRiversBetRivers
+155-200
DraftKingsDraftKings
+153-185
FanaticsFanatics
FliffFliff
+160-200
BetOpenlyBetOpenly
-172
CaesarsCaesars
-189
FanDuelFanDuel
+156
KalshiKalshi
-179
PolymarketPolymarket
-169
ReBetReBet
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
Bally BetBally Bet
-152+125
BetOpenlyBetOpenly
DraftKingsDraftKings
-156+130
FanaticsFanatics
FliffFliff
-154+125
KalshiKalshi
-145+133
theScore BettheScore Bet
-149+130
William HillWilliam Hill
-149+120
BetMGMBetMGM
-154
BetRiversBetRivers
+123
CaesarsCaesars
+130
NovigNovig
-139

New York Mets vs Chicago Cubs

Thu, Jun 25, 11:11 PM

BookmakerNew York MetsChicago Cubs
Best Odds
-104
Polymarket
Bally BetBally Bet
-120-103
BetMGMBetMGM
-115-105
CaesarsCaesars
-115-105
PolymarketPolymarket
-104+100
theScore BettheScore Bet
-115-105
William HillWilliam Hill
-110-110
BetOpenlyBetOpenly
DraftKingsDraftKings
-112
FanaticsFanatics
FanDuelFanDuel
-110
FliffFliff
-110
KalshiKalshi
-104
NovigNovig
+100
ReBetReBet

Boston Red Sox vs New York Yankees

Thu, Jun 25, 11:11 PM

BookmakerBoston Red SoxNew York Yankees
Best Odds
+150
Kalshi
-149
Polymarket
DraftKingsDraftKings
+128-154
FliffFliff
+145-179
NovigNovig
+144-149
ReBetReBet
theScore BettheScore Bet
+135-154
William HillWilliam Hill
+138-175
Bally BetBally Bet
-175
BetMGMBetMGM
-164
BetOpenlyBetOpenly
+146
CaesarsCaesars
+135
FanaticsFanatics
FanDuelFanDuel
-156
KalshiKalshi
+150
PolymarketPolymarket
-149

St. Louis Cardinals vs Arizona Diamondbacks

Thu, Jun 25, 11:46 PM

BookmakerSt. Louis CardinalsArizona Diamondbacks
Best Odds
-122
Polymarket
Bally BetBally Bet
-135+112
CaesarsCaesars
-130+110
DraftKingsDraftKings
-135+113
NovigNovig
-125+120
PolymarketPolymarket
-122+117
William HillWilliam Hill
-137+110
BetMGMBetMGM
-135
BetOpenlyBetOpenly
BetRiversBetRivers
+110
FanaticsFanatics
FanDuelFanDuel
+112
KalshiKalshi
-127
ReBetReBet
theScore BettheScore Bet
-135

MLB Preseason Winner Odds

CompetitorBest Odds
BetMGMBetMGM
BetRiversBetRivers
DraftKingsDraftKings
FanDuelFanDuel
Los Angeles Dodgers
+180
New York Yankees
+450
Atlanta Braves
+1000
FanDuel
+1000
Seattle Mariners
+1000
Milwaukee Brewers
+1200
Philadelphia Phillies
+1400
Toronto Blue Jays
+2700
FanDuel
+2700
Tampa Bay Rays
+2700
Texas Rangers
+2700
Cleveland Guardians
+4000
Chicago Cubs
+3000
Chicago White Sox
+5500
Baltimore Orioles
+5000
Houston Astros
+4500
San Diego Padres
+5500
Detroit Tigers
+5500
Pittsburgh Pirates
+7500
Oakland Athletics
+8000
Arizona Diamondbacks
+8000
St. Louis Cardinals
+12500
New York Mets
+15000
Boston Red Sox
+20000
Minnesota Twins
+15000
Cincinnati Reds
+15000
Kansas City Royals
+22500
Miami Marlins
+20000
Washington Nationals
+50000
FanDuel
+50000
San Francisco Giants
+50000
Los Angeles Angels
+50000
Colorado Rockies
+50000

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

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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 Iowa

MLB Preseason odds in American format display moneylines as positive or negative numbers — a -150 favorite requires $150 to win $100, while a +130 underdog returns $130 on a $100 wager. Run lines typically sit at 1.5 runs with adjusted juice, and totals reflect expected combined scoring. Smart bettors compare these numbers across multiple books since preseason markets often show wider variance than regular season lines.

Key preseason bet types include moneylines on exhibition outcomes, run line spreads, and over/under totals. Since starters typically pitch limited innings and managers experiment with lineups, totals markets can present value opportunities. Line movement proves especially telling when veteran players sit or prospects get extended looks, creating exploitable inefficiencies in MLB Preseason betting Iowa markets.

Iowa's regulated sportsbook landscape ensures competitive pricing on spring training action. Books adjust quickly to injury news and roster announcements, but savvy bettors who track camp reports can capitalize on delayed market reactions. The preseason's experimental nature makes disciplined bankroll management essential, as variance runs higher than regular season baseball.

How do MLB Preseason odds differ from regular season lines?

Preseason odds reflect uncertainty around playing time, experimental lineups, and limited starter innings. Books often post wider spreads and higher juice due to increased variance, creating opportunities for sharp line shopping across Iowa's licensed operators.

What should Iowa bettors focus on when comparing MLB Preseason odds?

Monitor vig differences on moneylines and totals, track line movement following roster news, and compare prop offerings across books. Spring training markets move quickly on injury reports and prospect promotions, making real-time odds comparison particularly valuable for MLB Preseason odds Iowa bettors.

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