MLB NRFI & YRFI Picks Today: Ten Sides Beat Fair On Wednesday's Zero-Hold Board (August 5)
Wednesday, August 5 hands the OddsShopper first-inning odds screen a full 15-game MLB card, 30 NRFI and YRFI sides, and the loosest set of first-inning prices this column has graded in days: ten of the 30 sides pay better than their fair, no-vig number. For contrast, Sunday's edition found zero. But the count isn't the story. The story is where the edges pooled: every one of the four biggest sits in a market where the books' margin has been shopped down to nothing, and one of those markets has done something a two-way market technically isn't supposed to do, its two best prices add up to less than 100%. I'll show you that game in a minute, because it's the cleanest picture of a cracked market you'll see all week. If the bet type itself is new to you, start with the what is NRFI explainer.
The Quick Answer
Ten first-inning sides beat their fair (no-vig) price on Wednesday, August 5, and the top three are: the Los Angeles Dodgers vs. Chicago Cubs NRFI at +133 (fair +124, a +4.2% edge, the board's best), the Pittsburgh Pirates vs. Milwaukee Brewers YRFI at +141 (fair +133, +3.4%), and the Tampa Bay Rays vs. Colorado Rockies NRFI at +153 (fair +147, +2.4%). The full 30-side board, the zero-hold pattern all four top edges share, and the one market quoting more than 100% back to bettors are all below.
Wednesday's First-Inning Board: All 30 Sides, Ranked
The frame first, because it decides how you read every row. A positive edge means the best takeable price pays more than the true, no-vig probability says it should. That's value. A negative edge means the price is shorter than fair, and the market is efficient there: no play, whatever the matchup narrative says. Here is the whole 15-game card, best side to worst:
| Game (Listed First Pitch) | Side | Best takeable | Fair (no-vig) | Edge |
|---|---|---|---|---|
| Dodgers Vs. Cubs (1:20 PM) | NRFI | +133 | +124 | +4.2% |
| Pirates Vs. Brewers (6:30 PM) | YRFI | +141 | +133 | +3.4% |
| Rays Vs. Rockies (2:10 PM) | NRFI | +153 | +147 | +2.4% |
| Nationals Vs. Phillies (5:40 PM) | NRFI | +140 | +135 | +2.0% |
| Tigers Vs. Mariners (8:40 PM) | NRFI | -102 | -105 | +1.6% |
| Blue Jays Vs. Astros (1:10 PM) | NRFI | -102 | -105 | +1.5% |
| Padres Vs. Diamondbacks (8:40 PM) | NRFI | +110 | +107 | +1.4% |
| Giants Vs. Rangers (1:35 PM) | YRFI | +106 | +105 | +0.4% |
| Twins Vs. Royals (6:40 PM) | NRFI | +106 | +105 | +0.3% |
| White Sox Vs. Red Sox (6:10 PM) | YRFI | +117 | +117 | +0.2% |
| Mets Vs. Guardians (5:40 PM) | NRFI | -117 | -117 | 0.0% |
| Angels Vs. Orioles (5:35 PM) | YRFI | +106 | +106 | -0.1% |
| Marlins Vs. Braves (6:15 PM) | NRFI | -102 | -100 | -0.8% |
| Mets Vs. Guardians (5:40 PM) | YRFI | +115 | +117 | -1.0% |
| Twins Vs. Royals (6:40 PM) | YRFI | -108 | -105 | -1.2% |
| Marlins Vs. Braves (6:15 PM) | YRFI | -102 | +100 | -1.2% |
| White Sox Vs. Red Sox (6:10 PM) | NRFI | -120 | -117 | -1.3% |
| Giants Vs. Rangers (1:35 PM) | NRFI | -108 | -105 | -1.3% |
| Nationals Vs. Phillies (5:40 PM) | YRFI | -140 | -135 | -1.4% |
| Cardinals Vs. Yankees (6:05 PM) | YRFI | -108 | -104 | -1.6% |
| Rays Vs. Rockies (2:10 PM) | YRFI | -153 | -147 | -1.6% |
| Athletics Vs. Reds (5:40 PM) | NRFI | +109 | +113 | -1.8% |
| Pirates Vs. Brewers (6:30 PM) | NRFI | -140 | -133 | -2.1% |
| Cardinals Vs. Yankees (6:05 PM) | NRFI | +100 | +104 | -2.1% |
| Angels Vs. Orioles (5:35 PM) | NRFI | -112 | -106 | -2.5% |
| Tigers Vs. Mariners (8:40 PM) | YRFI | +100 | +105 | -2.6% |
| Dodgers Vs. Cubs (1:20 PM) | YRFI | -133 | -124 | -3.2% |
| Padres Vs. Diamondbacks (8:40 PM) | YRFI | -115 | -107 | -3.3% |
| Athletics Vs. Reds (5:40 PM) | YRFI | -122 | -113 | -3.5% |
| Blue Jays Vs. Astros (1:10 PM) | YRFI | -102 | +105 | -3.5% |
The row I keep coming back to is the first one. The Dodgers–Cubs NRFI pays +133 while its YRFI trades at -133: perfect mirror prices. When a two-way market's best numbers mirror each other, the combined implied probability is exactly 100% and the vig, from a shopper's seat, is gone. The only question left is whether the 50/50 midpoint those prices imply is right, and the devig says it isn't: the true NRFI number is +124, nine cents inside the takeable price. That gap is the +4.2%, the biggest edge this board has printed all week. And it isn't a one-off, which is where the day's pattern takes over.
All Four Big Edges Live In Zero-Hold Markets
Add up the implied probabilities of the two best takeable prices in each game and you get that market's total cost, its hold. Run it across the card and the four value games separate instantly. Dodgers–Cubs: +133 and -133, exactly 100.0%. Rays–Rockies: +153 and -153, 100.0%. Nationals–Phillies: +140 and -140, 100.0%. Pirates–Brewers: +141 and -140, about 99.8%. Every other market on the card holds between roughly 100.4% and 102.8%, and no side in any of them clears +1.6%. The four cheapest markets carry the four biggest edges. That is the same thin-markets-crack pattern this column keeps finding, pushed to its limit: these aren't merely thin markets, they're markets where line shopping has erased the toll entirely, so the moment the books disagree about the midpoint, one side must be selling above its true worth. Which side differs by game: the scoreless side in Los Angeles–Chicago, Tampa Bay–Colorado, and Washington–Philadelphia, the run-scores side in Pittsburgh–Milwaukee. The devig test doesn't care about the narrative; it just tells you which half is mispriced.
The Pirates-Brewers Market Adds Up To Less Than 100%
Here's the promised oddity. The Pirates–Brewers YRFI pays +141 while the NRFI's best price is -140. Convert both to implied probability and they sum to about 99.8%, below the break-even line. A two-way market priced under 100% across books is the textbook definition of an arbitrage window: backing both sides in the right proportions aims to capture the small gap between the prices, and only if both fills actually land. Three honest caveats before anyone gets excited. First, the window is razor thin, a fraction of a percent, the kind that evaporates on one line move, and a fill at a worse number erases it. Second, books cut limits fast on accounts that do this repeatedly. Third, spotting one by hand across a 15-game card is exactly the tedium the OddsShopper Arbitrage tool exists to automate; it scans every two-way market for prices that sum under 100% continuously. The more durable read is what the sub-100% quote says: the books flatly disagree about this first inning, and the devig resolves the disagreement in the YRFI's favor, +141 takeable against a true +133, a +3.4% edge. Meanwhile the same game's NRFI at -140 grades -2.1%, one of the worst rows on the card. One inning, one market, and the entire mispricing landed on the plus-money half.
Worked Example: What +4.2% At +133 Actually Pays
Take the Dodgers–Cubs NRFI and run the two steps the first-inning odds screen runs continuously:
- Best takeable NRFI +133 → a winning $1 risk returns $2.33 (stake included)
- Fair (no-vig) +124 → the market's honest estimate of a scoreless first is 44.6% (100 ÷ 224)
Multiply the $2.33 return by the 44.6% true chance: roughly $1.04 back per dollar risked; the board grades it +4.2% on the unrounded true price. Now run the same steps on the Athletics–Reds YRFI near the bottom of the table: -122 returns about $1.82 per dollar risked, the fair -113 implies 53.1%, and 1.82 × 0.531 gets back roughly 97 cents per dollar, the -3.5% printed on the board. Fittingly, that row comes from the card's single most expensive market, Athletics–Reds at about 102.8% combined, the loose-hold mirror image of the four value games. Same market type, same night, and the difference between earning four cents and paying three is nothing but the price. That's the entire case for shopping first-inning numbers across books instead of taking whatever your app opens: our how to find +EV bets guide walks the full method.
For the full-game side of tonight's fifteen, the live odds screen — shop the number across every major book runs the same fair-price test on moneylines and totals. Holding a free bet from a book promo with no first-inning price you like? The free bet converter shows how to turn it into withdrawable cash instead of a forced play. And for a human card next to the math, browse the free expert picks today.
New to OddsShopper? It lines up every major sportsbook's NRFI and YRFI price, devigs each market to its true (no-vig) number, and flags any side paying more than its fair chance: the exact test this article just ran 30 times, done across every book in seconds. Code NRFI takes 20% off OddsShopper Pro.
A Few Realities Before You Bet NRFI
- A 4.2% Edge Is A Good Number, Not A Guarantee. The Dodgers–Cubs NRFI at +133 still loses more often than it wins; a 44.6% true chance means the first inning produces a run most days. Edges this size pay across dozens of disciplined spots, never as a promise about one 1:20 PM first inning.
- The Sample Is One Half-Inning Per Team. Whether the price is Rays–Rockies at +153 or Pirates–Brewers at -140, the whole bet resolves on six outs or fewer. An edge column is a long-run statement; any single Wednesday is allowed to ignore it completely.
- Lineups And Weather Move These Numbers. These prices were captured Wednesday morning; a scratched starter or a posted lineup can redraw the board, and a sub-100% market like Pirates–Brewers rarely survives long. Recheck the screen inside each game's pregame window, from the 1:10 PM opener to the 8:40 PM finales.
- Play Responsibly. Sports betting is for adults 21+ in regulated markets where it is legal. Even a positive-edge price loses often; bet within your means and never chase losses.
FAQ
What does NRFI mean in betting? NRFI stands for No Runs First Inning, a yes/no bet that neither team scores in the first inning, both halves combined. If either team plates a run in the first, NRFI loses and YRFI (Yes Runs First Inning) wins. Nothing after the first inning counts. The MLB betting terms glossary covers the rest of the vocabulary.
What are the best NRFI picks today? On Wednesday, August 5, seven NRFI sides clear their fair price, led by the Dodgers–Cubs under at +133 (fair +124, +4.2%), the Rays–Rockies under at +153 (fair +147, +2.4%), and the Nationals–Phillies under at +140 (fair +135, +2.0%). The board's second-best first-inning side overall is a YRFI: Pirates–Brewers over 0.5 runs at +141 against a true +133, a +3.4% edge.
Why do the biggest edges keep showing up in zero-hold markets? Because hold is the market's total margin. When a game's two best prices are mirrors, like the Dodgers–Cubs +133/-133, the books' toll is fully shopped away and any disagreement about the game's true midpoint has to surface as value on one side. In a market holding 102.8%, like Athletics–Reds today, that same disagreement gets swallowed by the margin before it ever reaches a bettor.
What does it mean when a market adds up to less than 100%? It's the definition of an arbitrage window: Pirates–Brewers' +141 YRFI and -140 NRFI sum to about 99.8%, so backing both sides proportionally can capture the small gap between the prices. In practice it is anything but automatic: the margin is a fraction of a percent, it disappears on one line move or a worse fill, it requires accounts at the right books with both prices still standing, and books limit accounts that arb them repeatedly. The honest takeaway is smaller: markets that cheap are where mispricings live, and today's board proves it four times over.
Bottom Line
Wednesday, August 5 is the board Sunday's zero-edge edition wasn't: ten of 30 sides beat fair, led by the Dodgers–Cubs NRFI at +133 against a true +124, with the Pirates–Brewers YRFI and Rays–Rockies NRFI right behind. All four of the top edges came out of markets holding 100.0% or less, one of them out of a market quoting less than 100%, while the priciest market on the card buried both of its sides. Hold decided where value could exist before any pitcher or lineup entered the argument, exactly as it has all week, just louder. Find the thin markets first, then ask which half is mispriced. That's a repeatable order of operations, and it's the one the screen runs for you every morning.
Read tonight's first-inning board the right way. OddsShopper lines up every book's NRFI and YRFI price on the first-inning odds screen and flags any side that beats its true odds the moment one appears. Code NRFI takes 20% off OddsShopper Pro. Bet responsibly, 21+ where legal.
