Best MLB Walks Matchups — Tuesday, August 18, 2026
Top walks spot: Yordan Alvarez
Yordan Alvarez (HOU) tops the board at 100, facing RHP George Klassen. The lefty is working counts at .183 BB/PA against righties this year — and .200 over the last two weeks, an excellent bat that turns into a walk in about 15% of his trips. And George Klassen has been handing out free passes to righties lately — .138 walks per batter faced. The bullpen behind him hasn't been any better to that side, so there's no relief late. He's hitting in a spot worth about 4.5 trips, so the volume's there. No real history against George Klassen. It all sets up in a neutral park.
The rest of the top of the board
- Shohei Ohtani (LAD) (100) vs RHP Ryan Feltner: a strong bat at .115 into an arm handing out free passes to the same side (.172).
- Steven Kwan (CLE) (100) vs LHP Carson Whisenhunt: an excellent bat at .125 into an arm handing out free passes to the same side (.333).
- Max Muncy (LAD) (88) vs RHP Ryan Feltner: a strong bat at .116 into an arm handing out free passes to the same side (.172).
- Freddie Freeman (LAD) (85) vs RHP Ryan Feltner: a solid bat at .098 into an arm handing out free passes to the same side (.172).
- Iván Herrera (STL) (75) vs LHP Andrew Abbott: an excellent bat at .138 into an arm handing out free passes to the same side (.125).
- Nick Sogard (BOS) (75) vs RHP Merrill Kelly: an excellent bat at .124 into an arm handing out free passes to the same side (.156).
- Francisco Alvarez (NYM) (75) vs LHP Robbie Ray: a strong bat at .117 into an arm handing out free passes to the same side (.200).
Platoon edges to target
- Yordan Alvarez (HOU) — lefty bat vs RHP, .183 against righties this year.
- Shohei Ohtani (LAD) — lefty bat vs RHP, .162 against righties this year.
- Max Muncy (LAD) — lefty bat vs RHP, .128 against righties this year.
- Freddie Freeman (LAD) — lefty bat vs RHP, .111 against righties this year.
- Iván Herrera (STL) — righty bat vs LHP, .173 against lefties this year.
How it played out
5 of the top 10 walks matchups landed at least one walk. Top play Yordan Alvarez finished with 0 walks. We post the result next to every projection so you can grade the board yourself — and so the model gets re-tuned against what actually happened.
How to read these walks matchups
Each score (0–100) starts with the hitter's walks per plate appearance against the hand he's facing — weighted toward the last two weeks, then the season, then a two-year baseline. Then it layers in the bullpen, his spot in the order, and park and weather. Higher means more of it points his way. It's context, not a lock — a great spot still goes 0-for-4 sometimes, and a tough one runs into one. The edge is in stacking the odds, and since we grade every board, you can see how often the top of the list delivers.
What the walks board is
The Walks board projects the chance a hitter draws a walk. One statistical model scores every matchup on the slate the same way — a star and a backup judged on the matchup in front of them, not their name — and every number is graded against the real box score once the games go final.
How the model gets its number
It isn't a gut call or a name game. The projection is built from a few things:
- His plate discipline.
- The pitcher's control.
- The count leverage in the matchup.
Those pieces combine into one number, and the model re-tunes itself weekly against how its past calls actually landed.
Is there a betting edge here?
An over-only market with heavy juice; our overs grade anti-predictive and lose to the vig. No edge — transparency board.
How to use it
Spot the patient-hitter-vs-wild-arm setups; not a bettable edge.
Everything here is a research signal from the model, graded in public — not betting advice, and no outcome is guaranteed.
Learn more: How the model works · The picks story · Today's plays