MLB Preseason Odds (ID, US)
June 2026
20 matches · 2 days
20 upcoming matches and outright odds across 30 competitors.
We compare MLB Preseason odds across 4 bookmakers in ID, United States
Get these odds overlaid directly on Polymarket, BetAnySports, BetOpenly, and more.
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Idaho bettors analyzing MLB Preseason odds can leverage OddsGuard's comprehensive comparison tool to evaluate lines from offshore and international bookmakers including Bovada, BetOnline, and MyBookie. While online sports betting remains unregulated in Idaho, OddsGuard provides essential line shopping capabilities across these platforms, allowing bettors to identify the best available odds and track line movements throughout spring training.
MLB Preseason holds particular significance for Idaho sports fans who predominantly follow the Seattle Mariners due to regional proximity, though Colorado Rockies support runs strong in eastern counties. Spring training generates substantial betting interest as Idaho bettors assess roster changes, prospect development, and managerial adjustments that could impact regular season performance. The preseason market offers unique value opportunities as books adjust to new information, making MLB Preseason odds Idaho comparisons especially valuable for identifying closing line value before the regular season begins.
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Upcoming Matches
Wednesday
Pittsburgh Pirates vs Seattle Mariners
Wed, Jun 24, 10:41 PM
| Bookmaker | Pittsburgh Pirates | Seattle Mariners |
|---|---|---|
| Best Odds | -1667 Polymarket | +1329 Kalshi |
 Bovada | -2500 | +1100 |
 GTbets | — | — |
 Kalshi | -1667 | +1329 |
 MyBookie.ag | -2500 | +925 |
 Polymarket | -1667 | +1329 |
Tampa Bay Rays vs Kansas City Royals
Wed, Jun 24, 10:41 PM
| Bookmaker | Tampa Bay Rays | Kansas City Royals |
|---|---|---|
| Best Odds | -1111 Kalshi | +1049 Polymarket |
| Bovada | -2500 | +1000 |
| GTbets | — | — |
| Kalshi | -1111 | +1011 |
| MyBookie.ag | -2000 | +850 |
| Polymarket | -1250 | +1049 |
Detroit Tigers vs New York Yankees
Wed, Jun 24, 10:41 PM
| Bookmaker | Detroit Tigers | New York Yankees |
|---|---|---|
| Best Odds | +456 Kalshi | -500 Kalshi |
| Bovada | +375 | -588 |
| GTbets | — | — |
| Kalshi | +456 | -500 |
| MyBookie.ag | +360 | -556 |
| Polymarket | +426 | -526 |
Washington Nationals vs Philadelphia Phillies
Wed, Jun 24, 10:46 PM
Toronto Blue Jays vs Houston Astros
Wed, Jun 24, 11:08 PM
| Bookmaker | Toronto Blue Jays | Houston Astros |
|---|---|---|
| Best Odds | -122 Kalshi | +125 MyBookie.ag |
| Bovada | -149 | +115 |
| GTbets | — | — |
| Kalshi | -122 | +122 |
| MyBookie.ag | -154 | +125 |
| Polymarket | -127 | +122 |
Cincinnati Reds vs Milwaukee Brewers
Wed, Jun 24, 11:11 PM
| Bookmaker | Cincinnati Reds | Milwaukee Brewers |
|---|---|---|
| Best Odds | +525 Polymarket | -526 Kalshi |
| Bovada | +475 | -833 |
| GTbets | — | — |
| Kalshi | +488 | -526 |
| MyBookie.ag | +370 | -556 |
| Polymarket | +525 | -556 |
New York Mets vs Chicago Cubs
Wed, Jun 24, 11:11 PM
| Bookmaker | New York Mets | Chicago Cubs |
|---|---|---|
| Best Odds | +108 Kalshi | -105 MyBookie.ag |
| Bovada | -105 | -125 |
| GTbets | — | — |
| Kalshi | +108 | -118 |
| MyBookie.ag | -125 | -105 |
| Polymarket | +104 | -112 |
Minnesota Twins vs Los Angeles Dodgers
Wed, Jun 24, 11:41 PM
St. Louis Cardinals vs Arizona Diamondbacks
Wed, Jun 24, 11:46 PM
| Bookmaker | St. Louis Cardinals | Arizona Diamondbacks |
|---|---|---|
| Best Odds | -179 Kalshi | +170 Polymarket |
| Bovada | -204 | +155 |
| GTbets | — | — |
| Kalshi | -179 | +170 |
| MyBookie.ag | -200 | +160 |
| Polymarket | -179 | +170 |
Today
San Diego Padres vs Atlanta Braves
Thu, Jun 25, 12:41 AM
San Francisco Giants vs Oakland Athletics
Thu, Jun 25, 1:46 AM
Tampa Bay Rays vs Kansas City Royals
Thu, Jun 25, 4:11 PM
Pittsburgh Pirates vs Seattle Mariners
Thu, Jun 25, 4:36 PM
San Francisco Giants vs Oakland Athletics
Thu, Jun 25, 7:46 PM
Detroit Tigers vs Houston Astros
Thu, Jun 25, 10:41 PM
Washington Nationals vs Philadelphia Phillies
Thu, Jun 25, 10:46 PM
Toronto Blue Jays vs Texas Rangers
Thu, Jun 25, 11:08 PM
New York Mets vs Chicago Cubs
Thu, Jun 25, 11:11 PM
Boston Red Sox vs New York Yankees
Thu, Jun 25, 11:11 PM
MLB Preseason Winner Odds
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MLB Preseason Odds Comparison in Idaho
MLB Preseason odds typically appear in American format, with favorites showing negative numbers (-150) and underdogs displaying positive values (+130). Spring training betting focuses primarily on moneyline wagers, as run spreads prove less reliable with experimental lineups and limited innings from starting pitchers. Totals markets exist but carry higher vig due to unpredictable scoring patterns when teams prioritize player evaluation over winning.
Effective line shopping during preseason requires understanding that books often post wider spreads between their odds due to limited information flow. Idaho bettors should focus on closing line value rather than opening numbers, as sharp money typically moves preseason lines significantly once injury reports and lineup announcements surface. The key advantage in comparing MLB Preseason betting Idaho options lies in identifying books that haven't adjusted to late-breaking roster news.
How do MLB Preseason odds differ from regular season lines?
Preseason odds carry wider margins and less market efficiency due to uncertain playing time, experimental strategies, and limited historical data. Books often post conservative lines with higher vig to protect against insider information about roster decisions or prospect callups.
Which MLB Preseason bet types offer the best value in Idaho?
Moneyline bets provide the most straightforward value during spring training, as run spreads become unreliable with shortened games and bullpen experimentation. Focus on teams with established veteran cores rather than clubs heavily featuring prospects whose performance remains unpredictable.
- 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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