Today's matchup
Today it's Milwaukee Brewers for Carlos, at home. He shows up on 12 boards — walks (36.1/100, #125), hits (31.7/100, #141), doubles (30.4/100, #171), h+r+rbi (27.2/100, #171). We've got him at 0.3 on the walks board. The model doesn't love the spot — the numbers are below. Open any board row for the full breakdown of what's driving it.
He's a left-handed bat
Carlos hits from the left side, and that's the first thing the model looks at. Left-handed hitters see right-handed pitching most nights, which is the favourable side — so a lefty bat's baseline is set against righties, and drawing a left-handed starter is a genuine downgrade rather than a rounding error. When you see his score fall on a day he's still in the lineup, an opposing lefty is usually why. Handedness also shapes the park read: pull-side geometry matters more for a left-handed swing than the raw park factor suggests.
Where he lands across our boards
Carlos was scored on 12 boards in that matchup, and the spread is the interesting part: walks graded 36.1/100 while stolen bases came in at 9.8/100. Same player, same game, same opposing arm — different questions. A spread that wide usually means the matchup favours one kind of outcome over another, and it's the clearest argument for reading the board that matches what you actually care about.
How the model reads him
Carlos's score rates the spot in front of him, not the name on the jersey. It weighs his rates against the kind of arm he's facing — handedness matters a lot — set against what that pitcher and his bullpen give up, then adjusts for expected playing time, park, weather, and recent form, normalized 0–100 across the slate. The weighting is proprietary and re-tuned weekly; the grading is public, and that's the half that proves anything.
What we'd flag
Books don't price every player — coverage tops out around 87% even for confirmed starters, so "no line" here usually means no book posted one rather than a gap in our data. Lineups change late, and an afternoon projection can be stale by first pitch. And the model is tuned across hundreds of graded outcomes, so one game tells you nothing about whether it's working. For Carlos specifically, we don't have a meaningful graded record on him yet.