Minor League Baseball presents one of the most intriguing — and underexploited — betting markets in North American sports. With six full-season levels (Triple-A, Double-A, and four Single-A tiers under the current structure), the sheer volume of daily games during the season creates a sprawling marketplace. Scoring tends to run higher and more volatile than in the majors, driven by inconsistent pitching, smaller ballparks, and developmental lineups that can shift dramatically from night to night. Roster turnover is constant, with players being promoted, demoted, or reassigned on short notice, making it difficult for even sharp bettors to maintain a reliable edge without dedicated tracking.

Vig on MiLB lines tends to run significantly wider than what bettors encounter in MLB or other major sports markets. Because fewer books offer MiLB odds and public betting volume is relatively low, sportsbooks have less incentive to sharpen their lines. It's common to see moneyline juice pushed well beyond the standard -110/-110 baseline, with combined overround sometimes exceeding 8-10%. This makes shopping across multiple books especially critical — the difference between the best and worst available price on the same game can be substantial. Books that do post MiLB lines often vary considerably in their pricing models, creating genuine arbitrage-adjacent opportunities for bettors willing to compare.

The MiLB regular season typically runs from early April through mid-September, with playoff series extending into late September. Early-season lines tend to be the softest, as books have limited data on reshuffled rosters coming out of spring training. Midseason call-ups — particularly around the MLB trade deadline in late July and September roster expansions — can create significant value windows when lineups change faster than oddsmakers adjust. Weather is a persistent factor, especially in the lower levels where games are played in smaller markets with less climate-controlled infrastructure. Bettors should also track starting pitcher assignments closely, as MiLB rotations are far less predictable than their major league counterparts, and a single pitching change can swing a line by 30 cents or more.

Louisville Bats @ Columbus Clippers

Fri, Jul 3, 10:05 PM

SideMarketBest LineWorst
home h2h BetRivers: -117 -120
away h2h FanDuel: -108 -117
home spreads BetOnline.ag: -165 (+1.5) -190
away spreads Caesars: +140 (-1.5) +128
over totals FanDuel: -110 (+11.5) -115
under totals BetOnline.ag: -115 (+11.5) -120

Lehigh Valley IronPigs @ Rochester Red Wings

Fri, Jul 3, 10:05 PM

SideMarketBest LineWorst
home h2h FanDuel: +106 +100
away h2h FanDuel: -134 -137
home spreads theScore Bet (ESPN Bet): -170 (+1.5) -215
away spreads BetRivers: +155 (-1.5) +132
over totals BetRivers: -118 (+10.5) -130
under totals BetOnline.ag: +100 (+10.5) -115

Worcester Red Sox @ Syracuse Mets

Fri, Jul 3, 10:35 PM

SideMarketBest LineWorst
home h2h FanDuel: -128 -130
away h2h FanDuel: +100 -105
home spreads FanDuel: +140 (-1.5) +136
away spreads BetOnline.ag: -175 (+1.5) -190
over totals theScore Bet (ESPN Bet): -110 (+10.5) -115
under totals BetOnline.ag: -115 (+10.5) -121
home spreads Bovada: -185 (+1.5) -210
away spreads BetRivers: +150 (-1.5) +140

Gwinnett Stripers @ Durham Bulls

Fri, Jul 3, 10:45 PM

SideMarketBest LineWorst
home h2h FanDuel: -108 -112
away h2h FanDuel: -118 -122
home spreads theScore Bet (ESPN Bet): -165 (+1.5) -180
away spreads Caesars: +140 (-1.5) +122
over totals BetRivers: -120 (+10.5) -140
under totals BetOnline.ag: +109 (+10.5) -114

Iowa Cubs @ Toledo Mud Hens

Fri, Jul 3, 11:05 PM

SideMarketBest LineWorst
home h2h FanDuel: +110 +105
away h2h Bovada: -135 -143
home spreads BetOnline.ag: -165 (+1.5) -200
away spreads BetRivers: +145 (-1.5) +128
over totals theScore Bet (ESPN Bet): -110 (+10.5) -113
under totals FanDuel: -118 (+10.5) -121

Norfolk Tides @ Scranton/Wilkes-Barre RailRiders

Fri, Jul 3, 11:05 PM

SideMarketBest LineWorst
home h2h FanDuel: -112 -118
away h2h FanDuel: -112 -115
home spreads Caesars: +150 (-1.5) +130
away spreads Bovada: -170 (+1.5) -195
over totals BetRivers: -118 (+9.5) -130
under totals BetOnline.ag: +100 (+9.5) -115

Buffalo Bisons @ St. Paul Saints

Fri, Jul 3, 11:07 PM

SideMarketBest LineWorst
home h2h FanDuel: -108 -110
away h2h FanDuel: -118 -122
home spreads Caesars: +140 (-1.5) +120
away spreads Bovada: -160 (+1.5) -186
over totals theScore Bet (ESPN Bet): -105 (+12.5) -115
under totals BetOnline.ag: -115 (+12.5) -125

Jacksonville Jumbo Shrimp @ Nashville Sounds

Fri, Jul 3, 11:35 PM

SideMarketBest LineWorst
home h2h FanDuel: +100 -103
away h2h FanDuel: -128 -134
home spreads theScore Bet (ESPN Bet): -190 (+1.5) -235
away spreads Caesars: +165 (-1.5) +146
over totals theScore Bet (ESPN Bet): -105 (+8.5) -117
under totals Bovada: -115 (+8.5) -125

Albuquerque Isotopes @ Round Rock Express

Sat, Jul 4, 12:05 AM

SideMarketBest LineWorst
home h2h FanDuel: -118 -121
away h2h FanDuel: -108 -113
home spreads BetRivers: +132 (-1.5) +120
away spreads BetOnline.ag: -155 (+1.5) -182
over totals theScore Bet (ESPN Bet): -110 (+10.5) -115
under totals BetOnline.ag: -115 (+10.5) -125

Charlotte Knights @ Memphis Redbirds

Sat, Jul 4, 12:05 AM

SideMarketBest LineWorst
home h2h FanDuel: +106 +105
away h2h FanDuel: -134 -143
home spreads theScore Bet (ESPN Bet): -170 (+1.5) -200
away spreads Caesars: +150 (-1.5) +132
over totals BetOnline.ag: -115 (+10.5) -120
under totals theScore Bet (ESPN Bet): -110 (+10.5) -115

Frequently Asked Questions

What are the best MiLB lines today?

The table below shows which sportsbook has the best available price on each side of every upcoming MiLB event. Line shopping across multiple books can save you 1–3% per bet compared to sticking with a single sportsbook.

What is vig (vigorish) in sports betting?

Vig — short for vigorish, also called juice or overround — is the margin a sportsbook builds into its odds. It's the difference between the true probability of an outcome and what the odds imply. Lower vig means you keep more of your winnings on every bet. For example, a standard -110/-110 line has about 4.76% vig.

How often is this data updated?

We pull fresh odds from The Odds API three times per day — at 6:00 AM, 2:00 PM, and 10:00 PM UTC. Each snapshot captures the latest lines from every sportsbook that has posted odds. The timestamp at the top of the page shows the most recent refresh.

How is the vig grade calculated?

Each sportsbook is graded on a letter scale based on average vig: A+ (under 2%) is exceptional, A (2–3%) is excellent, B+ (3–4%) is above average, B (4–5%) is the industry standard, C (5–6%) is below average, and D (above 6%) indicates high-juice markets.

Why does lower vig matter for bettors?

Lower vig directly impacts your long-term returns. A bettor placing $1,000 per week at a book with 4% vig loses roughly $40/week to the house edge. At 2% vig, that drops to $20/week — a $1,040 difference over a year. For serious bettors, shopping for lower vig is one of the most reliable ways to improve profitability.

What sportsbooks do you track?

We track both regulated US sportsbooks (DraftKings, FanDuel, BetMGM, Caesars) and offshore books (Bovada, BetOnline, MyBookie, BetUS, LowVig.ag, BetAnySports). Data comes from The Odds API, which aggregates real-time lines from licensed sources.

How We Calculate These Numbers

Data Source
All odds on this page come from The Odds API, which aggregates real-time lines from licensed US and offshore sportsbooks. We track moneyline, spread, and totals markets across every sport with active betting lines.
Update Frequency
We pull a fresh snapshot of every tracked market three times per day — at 6:00 AM, 2:00 PM, and 10:00 PM UTC. Each snapshot captures the latest lines from every sportsbook that has posted odds for a given event. The timestamp at the top of each page tells you exactly when the data was last refreshed.
Vig Calculation
Vig (short for vigorish, also called juice or overround) measures the margin a sportsbook builds into its odds. We calculate it by converting the odds on each side of a market to implied probabilities, summing those probabilities, and subtracting 100%. For example, a market priced at -110/-110 implies 52.38% on each side — a total of 104.76%, meaning a vig of 4.76%. Lower vig means better value for bettors because you keep more of your winnings.
Per-Market Breakdown
We compute vig separately for each market type: moneyline (h2h), point spreads, and totals (over/under). The "average vig" shown for each sportsbook is the mean across all market types weighted by the number of events sampled in each market.
Grading Scale
Every sportsbook receives a letter grade based on its average vig: A+ (under 2%) is exchange-level pricing. A (2–3%) is very competitive. B+ (3–4%) is above average. B (4–5%) is the industry standard — a -110/-110 line is 4.76%. C+ (5–6%) is slightly below average. C (6–7%) is below average. D (7–8%) is high vig. D− (8–10%) is very high vig. F (10%+) is predatory pricing. See the full Vig Index Methodology for formulas, worked examples, and known limitations.
Trend Tracking
We store daily snapshots for 30 days, allowing us to show 24-hour and 7-day vig trends. A downward trend (improving) means sportsbooks are tightening their lines — often in response to increased competition or higher betting volume as a season heats up.