Best MLB RBIs Matchups — Wednesday, July 29, 2026
Top rbis spot: Esmerlyn Valdez
Esmerlyn Valdez (PIT) tops the board at 100, facing LHP Eduardo Rodriguez. The righty is driving in runs at .377 RBI/PA against lefties this year — and .316 over the last two weeks, an elite bat that turns into a RBI in about 25% of his trips. And Eduardo Rodriguez has been vulnerable to lefties lately — .138 RBIs per batter faced. One catch: the bullpen behind him has been stingy to that side late. He's hitting in a spot worth about 4.3 trips, so the volume's there. No real history against Eduardo Rodriguez. It all sets up in a neutral park.
The rest of the top of the board
- Drake Baldwin (ATL) (100) vs RHP Christian Scott: an elite bat at .177 into an arm stingy with runs against the same side (.048), hot bat.
- Max Muncy (LAD) (100) vs RHP Emerson Hancock: an elite bat at .165 into an arm stingy with runs against the same side (.091).
- Vaughn Grissom (LAA) (100) vs RHP Hayden Wesneski: an elite bat at .187 into an arm with little track record against the same side.
- Shohei Ohtani (LAD) (94) vs RHP Emerson Hancock: an excellent bat at .147 into an arm stingy with runs against the same side (.091).
- Hunter Goodman (COL) (92) vs LHP Kyle Hart: an elite bat at .165 into an arm mostly holding up against the same side (.111).
- Manny Machado (SD) (90) vs RHP Gabriel Hughes: an elite bat at .164 into an arm with little track record against the same side, hot bat.
- Yordan Alvarez (HOU) (88) vs RHP Grayson Rodriguez: an excellent bat at .153 into an arm getting lit up by the same side (.200).
Platoon edges to target
- Esmerlyn Valdez (PIT) — righty bat vs LHP, .377 against lefties this year.
- Drake Baldwin (ATL) — lefty bat vs RHP, .175 against righties this year.
- Max Muncy (LAD) — lefty bat vs RHP, .129 against righties this year.
- Shohei Ohtani (LAD) — lefty bat vs RHP, .138 against righties this year.
- Hunter Goodman (COL) — righty bat vs LHP, .165 against lefties this year.
How it played out
3 of the top 10 rbis matchups landed at least one RBI. Top play Esmerlyn Valdez finished with 0 RBIs. 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 rbis matchups
Each score (0–100) starts with the hitter's RBIs 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 RBIs board is
The RBIs board projects the chance a hitter drives in a run, given his slot and the bats around him. 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 run-driving rate.
- How often the hitters ahead of him are on base.
- The arm he faces and the park.
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?
RBIs is lumpy — runs cluster — and once you price the 1+ line with a clustering-aware model instead of a naive one, the apparent edge vanishes. It grades efficient. So this is a transparency board.
How to use it
Good for spotting the cleanup-spot smash setups; not a market we've found a bettable edge in.
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