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arclineANALYTICS

RECAP

deGrom's 12-K Gem and a Slate We Sat Out

Thursday's five-game slate produced nothing that cleared our bar for a bet — a disciplined pass. The DFS board was a different story: deGrom went off, Volpe went off, and Feltner reminded us Coors is still Coors.

Original Arcline editorial artwork: Texas Rangers helmet, pitching glove and baseball
Arcline originals · AI editorial artwork

THE DAY

Five games on Thursday. Moneyline record: 0-0-0. Totals record: 0-0-0. Those zeros aren't a slow system or a bad beat — they're exactly what they look like: nothing went to the window, because nothing earned a trip there.

Our threshold for a moneyline side is a five-percentage-point edge over the market. For totals it's ten points of over/under edge. Thursday's slate didn't produce either. That happens — September brings compressed rosters, late lineup confirmations, and markets that have priced thousands of data points into relatively tight numbers. When the gap between our number and the market isn't wide enough to justify a stake, the right call is to track it and move on. That's what we did.

THE CARD, GRADED

No money was down Thursday. Nothing cleared the bar, so nothing made the card — that's the complete record for the day.

The leans were tracked on the board, but per our standing policy: a lean is a tracked edge, not a bet. No money was attached, no implied confidence beyond what the model showed, and none of those edges were published as plays. The record is clean at 0-0-0 across both moneylines and totals, and that's an accurate reflection of the day's work.

A no-bet slate isn't a miss. It's the discipline the process is built around.

RESULTS & DFS ANGLE

The DFS board had some real fireworks. We scored 152 players and matched 79 to projections — a reasonable coverage window for a five-game Thursday. Here's where the slate actually went.

Top Scorers

  • Jacob deGrom (Texas Rangers) — 36.9 DK points. Line: 6.0 IP, 12 K, 0 ER. Our projection: 16.28. That's a 20-point beat on our number, and it was earned — twelve strikeouts in six shutout innings is a vintage deGrom performance. At $8,800 on DraftKings, he wasn't a cheap pivot, but anyone who went there got the slate's biggest score.
  • Jared Jones (Pittsburgh Pirates) — 33.9 DK points. Line: 7.0 IP, 8 K, 0 ER. Our projection: 13.32. Seven shutout innings from Jones is the kind of outing that wins tournaments on a short slate. We projected him conservatively; the floor-to-ceiling gap in young starters is real, and Thursday was the ceiling.
  • Anthony Volpe (New York Yankees) — 33.0 DK points. Line: 3-4, 1 HR, 5 RBI, 1 SB. Our projection: 6.65. At $2,900, Volpe was one of the lower-priced options on the board. What he did with that plate appearance share — three hits, a home run, five runs batted in, and a stolen base — is the kind of outlier game that makes short slates such a lottery. We had 6.65 on him. He delivered nearly five times that.
  • Logan Gilbert (Seattle Mariners) — 32.1 DK points. Line: 7.0 IP, 11 K, 3 ER. Our projection: 17.52. Gilbert gave up three runs but was otherwise dominant — eleven strikeouts over seven innings is a lot of DK points to absorb. We were directionally right on him; the earned runs kept him from the top of the board but he still delivered nearly double our projection.
  • Zack Wheeler (Philadelphia Phillies) — 27.6 DK points. Line: 7.0 IP, 9 K, 1 ER. Our projection: 18.63. Our closest projection of the top five. Wheeler went seven and allowed one run — a high-quality start that our model had framed reasonably well. The gap here was about 9 points, which is meaningful in DFS terms but much tighter than the deGrom or Volpe misses.

Where the Projections Hit

The three best calls by outcome-versus-projection alignment were deGrom, Jones, and Volpe — all of them in the right direction, even if the magnitudes were well beyond what we published. That's an important distinction: being right about who performs doesn't mean our point totals were accurate. DeGrom at 16.28 versus 36.9, Jones at 13.32 versus 33.9, Volpe at 6.65 versus 33.0 — the direction was sound; the scale of the performances was exceptional and hard to model in advance.

Where the Projections Missed

Ryan Feltner (Colorado Rockies) — we had 10.25; he scored 3.1. The line: 5.0 IP, 2 K, 4 ER. Feltner pitching at home has a built-in degree of volatility that the projection acknowledged; the actual outcome was worse than even the downside scenarios would suggest. Four earned runs in five innings at altitude is a familiar result, and we'll look at whether our starting point for Rockies starters is appropriately calibrated.

Josh Naylor (Seattle Mariners) — we had 8.33; he scored 0. An 0-for-3 day. Nothing to construct a narrative around — a good hitter had a bad game, and our projection assumed a more typical floor than he found.

Junior Caminero (Tampa Bay Rays) — we had 8.27; he scored 2.0. Another 0-for-3 line. Two of our three worst calls were hitters who went 0-for-3, which is a reminder that even players we project well have a wide distribution of single-game outcomes.

WHAT WE LEARNED

The betting side of Thursday is straightforward: the market was tight enough that nothing cleared the bar, we passed, and the record reflects that accurately. No regret warranted, no re-examination needed unless future data suggests our thresholds are systematically wrong.

The DFS side is more instructive. DeGrom and Jones combining for 70.8 DK points against a combined projection of 29.6 is the kind of pitcher blowup that decides tournament slates. Our starting pitcher projections were directionally correct — both were top-tier targets — but the magnitude of the outperformance reflects how much variance lives in strikeout totals on any given night. Volpe at $2,900 turning in 33 points is a useful reminder that value pricing on short slates can explode in ways that are genuinely hard to anticipate.

The Feltner miss is worth monitoring. Pitching in Colorado introduces enough environmental variance that a wider projection range — or a sharper discount to the floor — may be the right adjustment. We'll look at how our Coors-environment starting pitcher numbers have tracked over a larger sample before drawing a firm conclusion.

Friday's slate is next.

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deGrom's 12-K Gem and a Slate We Sat Out — Arcline Analytics