MatchWiz

Luis Arraez

Luis Arraez — today's matchup, what the model projects, and how our calls on him have graded. Top board: hits at 100/100.

Today's top board
100
Hits · vs STL
Our calls on him · hits
76%
1+ hit in 65/85 top-20 calls
Games graded
120
this season, box-score final
Luis Arraez
2BBats LThrows RPhiladelphia Phillies
Hits100/100proj 1.2Singles77.1/100proj 0.8H+R+RBI69.1/100proj 1.9Total Bases55.7/100proj 1.6Doubles49.8/100proj 0.2Runs48.3/100proj 0.5Fantasy Points44.3/100proj 6.9Walks42/100proj 0.4RBIs28.6/100proj 0.4Triples24.2/100proj 0Stolen Bases12.6/100proj 0.1Home Runs9.9/100proj 0.1

Today's matchup

Luis is hosting St. Louis Cardinals on the Sunday, August 23, 2026 slate. He shows up on 12 boards — hits (100/100), singles (77.1/100), h+r+rbi (69.1/100), total bases (55.7/100). We've got him at 1.2 on the hits board. That's one of the stronger spots on the board today. Open any board row for the full breakdown of what's driving it.

He's swinging a hot bat

Luis is 16-for-38 (.421) over his last 10 games — well clear of his .320 season mark. Our model does lean on recent form, but it weights it against the matchup rather than chasing it: a hot bat facing a tough arm in a bad park still grades as a tough spot. Streaks like this one also end without warning, which is why the score moves on the matchup and not on the streak.

What kind of hitter he is

Luis puts the ball in play — 25 strikeouts in 481 at-bats, about 5% of the time. Contact hitters carry their value on the hits board rather than the power boards, and they're less matchup-dependent than sluggers: a strikeout arm hurts him less than it hurts a hitter who sells out for damage. He's also run — 10 stolen bases — which shows up on the steals board.

He's a left-handed bat

Luis 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.

Floor and ceiling

Luis has recorded at least one hit in 89 of 120 games he's batted in — 74% — with 47 multi-hit games among them. That's about average — most regulars land somewhere near it.

Home and away

Luis is hitting .357 at home (85-for-238) and .284 on the road (69-for-243) across the season. That's a real-looking split, and it's the kind of thing that's usually part park and part noise. The model doesn't apply a blanket home-road adjustment — it prices the actual ballpark he's standing in, which is the part that carries signal.

Against St. Louis Cardinals

Luis is 5-for-21 (.238) against St. Louis Cardinals in our log, over 6 games. Worth knowing, worth not over-reading. 21 at-bats against one club is a tiny sample, and the model treats it as a minor input next to what that pitching staff actually allows to his handedness. Batter-versus-pitcher history is the most quoted number in baseball and one of the least predictive.

His best game in the log

Luis's biggest night was Wednesday, August 19, 2026 against MIA — 2-for-4 with 1 homer, 2 driven in. That's the ceiling, not the expectation. The projection you'll see on a board is closer to his typical game than his best one, which is the whole point of projecting rather than remembering.

How our calls on Luis have graded

We've ranked Luis a top-20 hitter matchup 85 times this season. He got a hit in 65 of them — 76%. That's the model reading him well, and it's the number we'd point to if you asked why we keep ranking him. It's also a season-sized sample on one player, which is smaller than it sounds; don't extrapolate it into a promise about tonight.

Where he lands across our boards

Luis was scored on 12 boards in that matchup, and the spread is the interesting part: hits graded 100/100 while home runs came in at 9.9/100. 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

Take the name off Luis and the model still produces the same number, because it's scoring the matchup rather than the player. His splits against this handedness, what the opposing starter and bullpen actually allow, how many plate appearances he's likely to get, the park, the weather, how he's swinging lately. All of it lands on a 0–100 scale against everyone else playing today. We don't publish how it's weighted. We publish every result it produces.

What we'd flag

Three caveats worth carrying. Not every player gets a posted line — book coverage runs to about 87% for confirmed starters, so a blank line is the market's silence, not ours. Lineup changes land late enough to strand a projection published hours earlier. And judging any of this on a single night is meaningless; the model is tuned on hundreds of settled outcomes.

Recent game log

DateOppABHHRRRBI
Sunday, August 23vs STL10000
Saturday, August 22vs STL21010
Friday, August 21vs STL53010
Wednesday, August 19vs MIA42122
Tuesday, August 18vs MIA43010
Monday, August 17vs MIA51001
Sunday, August 16@ MIN41001
Saturday, August 15@ MIN41021
Thursday, August 13@ MIN53000
Wednesday, August 12@ STL41001
Tuesday, August 11@ STL40000
Monday, August 10@ STL50000

Luis Arraez — FAQ

Who is Luis Arraez facing today?

Luis Arraez is hosting St. Louis Cardinals on Sunday, August 23, 2026. His strongest matchup grades 100/100 on our hits board.

What is Luis Arraez's projection today?

We project Luis for 1.2 on the hits board. That's the model's number for this specific matchup — the opposing arm, the park, the weather, and his expected playing time all feed it. It's graded against the real box score tonight.

How have MatchWiz's calls on Luis Arraez graded?

In the 85 games where our model ranked Luis a top-20 hitter matchup, he got at least one hit 65 times — 76%. Every call is graded against the real result at the line the market offered, wins and losses both.

How has Luis Arraez been hitting lately?

Luis is 16-for-38 (.421) over his last 10 games, against .320 on the season across 481 at-bats in our log, with 6 home runs. The full game-by-game log is on this page.

Which MatchWiz boards does Luis Arraez appear on?

Luis was scored on 12 boards in his last matchup — hits, singles, h+r+rbi, total bases, doubles. Each one asks a different question about the same game, so his score can be strong on one and weak on another.

Are Luis Arraez's projections betting advice?

No. Every number on this page is a research signal from a statistical model, published alongside its graded record so you can judge it yourself. The model is re-tuned weekly and can be wrong on any given day. Nothing here is a guaranteed outcome. 21+, please play responsibly (1-800-GAMBLER).

Projections are a research signal from our model, graded against real box-score results — not betting advice. 21+, please play responsibly (1-800-GAMBLER).