MLB Sharp Plays

Sharp, data-driven MLB betting picks and daily analysis for serious bettors.

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Suzette Alteme

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Suzette Alteme

@alteme·10h

A little CLV is not an edge. You still have to beat the vig.

Positive closing line value gets treated like a win condition. It isn't. It's a hurdle. At standard -110 pricing, the market already takes about 2.4% off each side. Beating the close by a cent does not clear that.

What "enough" looks like:

-110 implied is 52.4%. If you bet a side at -110 and it closes -115, you beat the close, and you still have almost no juice coverage. A close of -130 (56.5% implied) on that same -110 bet is a real gap: about four percentage points of CLV, which is the kind of number that actually shows up in long-term profit.

The trap:

People average "slightly positive CLV" over 40 bets, see a winning week, and call the process proven. Slightly positive CLV plus a hot win rate is often variance sitting on a still-losing price. The question is not "did I beat the close sometimes." It is "is my average CLV larger than the vig, in a sample big enough to mean it."

Practical rule:

Track average CLV in implied-probability points, not in "I got a better number." If that average isn't comfortably above ~2-3% over hundreds of bets, you don't have an edge yet. You have a slightly better seat at a minus-EV table.

We post the close against our number on picks inside MLB Sharp Plays so you can see the gap, not just the result.

Suzette Alteme

@alteme·3d

Entertainment betting needs a story. Skill betting needs a log.

You can tell which mode you're in by what you want to remember after the game.

Entertainment wants a narrative.

The ace on short rest. The "they never lose in October" club. The slugger who "owns this pitcher." Those bets are for the story you tell tomorrow. The price is incidental. If the favorite is -180 because everyone has the same story, that is not analysis. That is a ticket to the plot.

Skill wants a row in a spreadsheet.

Date, market, number, close, unit, result, CLV. No hero. No villain. A +EV dog at +145 in a quiet game is a better process bet than a famous team at a terrible number. You would take it even if nobody asked you about it the next day.

October makes this louder.

Narratives get thicker in the postseason: destiny, clutch, "the hotter team." Markets bake that in. Entertainment bettors pay extra for the story. Skill bettors ask whether the number still has edge after the story is already in the price. Often it doesn't, which is why passing is a position.

If you can't write the bet down without a plot, it isn't a skill bet.

We post the number, the unit, and the reason, not the legend, in the daily breakdowns inside MLB Sharp Plays.

Suzette Alteme

@alteme·5d

A juice move is not the same thing as the number moving

Bettors treat any price change as "the line moved." In MLB, you have to split two events: the juice changed, or the number changed. They do not mean the same thing.

Juice move (same number, worse price):

The total sits at 8.5 and goes from -110 to -130 on the over. The market leaned over, but it did not respect that lean enough to leave 8.5. Crossing off 8.5 onto 8 (or 9) is a bigger statement. Juice is often the book shading a public side without giving up a key number.

Number move (the total or run line actually ticks):

8.5 becomes 8. The run line 1.5 gets extra juice and then the alternative number gets bet. Totals of 7, 8, 9, and 10, and the 1.5 run line, are MLB key numbers because a huge share of games land on them. Books fight to stay on the side of those numbers. When they finally move off one, that is closer to real pressure than a 15-cent juice tick.

How to use it:

Don't chase juice. If you liked 8.5 at -110 and it is now -130, you already missed the number you wanted. A later move off 8.5 is a different data point, not an invitation to buy the worst price of the day.

We separate juice from number moves in the daily market notes inside MLB Sharp Plays.

Suzette Alteme

@alteme·Oct 5

You can't tell if your parlays are working. That's the point.

Singles give you feedback. Parlays delay it until your bankroll is already the evidence.

The sample-size problem:

A 55% singles bettor can start to see whether a process is real over a few hundred bets. Three independent 55% legs hit together about 16.6% of the time. To get the same confidence that the method works, you need several times as many tickets, which means several times as much calendar and several times as much swing in any given month.

What that looks like in a season:

A "hot" parlay month and a "dead" parlay month can be the same bettor, same picks, same edge. The distribution is wide enough that results feel like skill or a curse. They are mostly sample. Sportsbooks like this. You can't course-correct if you can't read the signal.

Singles vs that:

One game, one number, one result. You can log CLV, hit rate, and units after 50 plays and know something. Bundle those same 50 opinions into 3-leggers and you might have 15 tickets. That is not a dataset. That is a streak.

Long-term discipline needs a sample you can actually finish. Parlays are built so most people never get there.

We post single-game picks and breakdowns inside MLB Sharp Plays so the sample is one you can actually track.

Suzette Alteme

@alteme·Oct 2

An open roof and a closed roof are not the same park

Several MLB buildings are two parks in one, depending on whether the roof is open. Totals that ignore that are betting the wrong stadium.

Why it moves runs:

A closed roof means indoor air, no wind, and a stable temperature. Carry is usually lower than a hot, windy afternoon in the same building with the roof open. Texas and Arizona in the heat are launching pads open, closer to neutral indoors. Milwaukee and Toronto can swing the other way: a cold, windy open night kills fly balls that would carry under a closed roof.

Where the market lags:

Totals are often set the night before, when the roof plan is still a forecast. Teams can close it hours before first pitch for rain, wind, or cold. If the number does not move after a late close (or a surprise open), you are betting yesterday's park.

Practical check:

Before you bet a total in a retractable-roof park, confirm roof status as close to first pitch as you can, and compare it to the conditions implied when the total was posted. A one-run swing in the number is common. A zero-run swing in the price after a late change is the spot.

We include roof and weather state in our totals breakdowns inside MLB Sharp Plays.

Suzette Alteme

@alteme·Sep 30

Down 5u doesn't mean 5 winners get you even. That's the trap.

Chasing often starts with a clean-sounding goal: get back to even, then stop. The juice makes that goal a moving target.

The math at -110:

You risk $110 to win $100. Five losing 1u bets put you down 5 units of risk. Five winning 1u bets do not climb that same 5u. They return about 4.55u of profit. You are still short. The hole requires extra winners just to stand still, and that gap gets worse the more you've already lost.

What that does to behavior:

The target keeps receding, so the session doesn't end. People add games they didn't like at 1pm, or bump size, because "two more" should have been enough and wasn't. That is not a new read. That is arithmetic they didn't do before they tried to climb out.

Treat even as a myth, not a destination.

The market does not owe you a round trip. A losing day is closed when your process says it's closed, not when the ledger prints 0.00.

We size and log every pick against a fixed process inside MLB Sharp Plays, including after a red day.

Suzette Alteme

@alteme·Sep 28

The 3-batter minimum is a live-betting rule most prices ignore

Since 2020, a reliever must face three batters or finish the inning. That sounds small. It changes how late innings actually play out.

What used to happen:

A manager brought a lefty in for one tough left-handed hitter, then went righty-on-righty. The platoon advantage was applied surgically.

What happens now:

That lefty also has to face the next two hitters, who are often right-handed. The true matchup for at-bats two and three is worse than the "fresh lefty versus lefty" the first batter implied. Models that treat a pitching change as a full reset of platoon advantage overstate the value of that move.

Where the market lags:

Live run lines and next-inning totals often move on the announcement of the lefty as if the whole inning just got tougher for the hitters. Sometimes only the first batter did. If the next two are righties with power, the inning can get easier to score in after the change, not harder.

Practical check:

When a specialist is announced, look at the next two hitters, not just the current one, before you bet the live total or run line.

We walk through late-inning matchup spots in our daily breakdowns inside MLB Sharp Plays.

Suzette Alteme

@alteme·Sep 25

If most of your bets are 3u, you don't have a unit system

A 1-3u scale only has meaning if the top of it is scarce. Once 3u becomes the default, you've just reinvented flat betting at a larger number.

What a working distribution looks like:

Over 100 bets, something close to 60-70% at 1u, 20-30% at 2u, and maybe 10% or less at 3u. The 3u tag is for a clear price and a mismatch you'd still want at that size if it lost. If your last 20 plays were all 3u, the label stopped being information.

Why this happens:

Confidence is sticky. After a few wins, every pitcher "looks like" a 3u. After studying a game for an hour, it feels wrong to bet 1u. Neither of those is edge. Edge is a number versus a market. Time spent and recent results are not.

A simple audit:

Pull your last 50 bets. Count 1u vs 3u. If 3u is the mode, cut your max in half for two weeks and force a 1u default. The system only starts working when passing, or betting small, is normal.

We tag a unit size and the reason for it on every pick inside MLB Sharp Plays.

Suzette Alteme

@alteme·Sep 23

The most expensive bettor is the one who won't pick a lane

Two honest modes exist. Mixing them is what blows bankrolls.

Entertainment, done honestly:

You set a monthly amount you can lose without it showing up in rent or savings. You bet games you care about. You don't need CLV, a unit system, or a 500-bet sample. The product is the night, not the ROI. That is a solved problem as long as the cap is real and written down.

Skill, done honestly:

You treat it like a small trading book. Every bet is logged before the result. Units are a percent of bankroll. You grade yourself on process and closing line over hundreds of bets, not on Tuesday night. You skip games with no price. You would be bored watching a game you didn't bet.

The expensive middle:

No monthly cap, because "this is an investment." No log, because "I know how I'm doing." No unit system, because last week's win felt like a bigger edge. That's not a hybrid strategy. That's entertainment spending wearing skill-bettor language, which means the losses don't get limited and the process never gets measured.

Pick one. Both work. The middle does not.

If you want the process version, daily picks and breakdowns are what we post inside MLB Sharp Plays.

Suzette Alteme

@alteme·Sep 21

Overnight line moves and last-hour moves are not the same signal

Most bettors treat any number change as "sharp money came in." Timing is what actually separates respected action from the public leaning a favorite.

Overnight / early morning (right after open, before the casual public is awake):

Books that take professional action often move first. A total going 8.5 to 8 at 2am, or a dog getting bet down while the public is asleep, is much more likely respected money or a market-maker adjusting to a real input (weather, a late bullpen change, a model update).

The last 60-90 minutes before first pitch:

This window is dominated by recreational money: sides, stars, and "the better team." Favorites and overs getting juiced late is often the public, not confirmation that sharps just arrived. If the number already moved overnight and then bounces back toward the public side late, that's frequently the book taking the other side of late recreational action.

Practical filter: ask when the number moved before you decide why. An overnight move toward a dog, holding through the public window, is a different signal than a favorite getting 15 cents of juice in the last hour.

We note when and how the number moved in our daily breakdowns inside MLB Sharp Plays.