Best MLB RBIs Matchups — Tuesday, October 13, 2026
Top rbis spot: Nathaniel Lowe
Nathaniel Lowe (CLE) tops the board at 100, facing RHP Freddy Peralta. The lefty is driving in runs at .153 RBI/PA against righties this year — and .000 over the last two weeks, an excellent bat that turns into a RBI in about 16% of his trips. And Freddy Peralta has been thin against righties lately. 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. He's just .125 in 8 career PA against Freddy Peralta, but that's a tiny sample and the matchup says regression. It all sets up in a neutral park.
The rest of the top of the board
- Jonny DeLuca (TB) (78) vs LHP Parker Messick: a strong bat at .134 into an arm stingy with runs against the same side (.091), hot bat.
- Jo Adell (CLE) (77) vs RHP Freddy Peralta: a strong bat at .132 into an arm with little track record against the same side.
- Yandy Díaz (TB) (74) vs LHP Parker Messick: a strong bat at .122 into an arm stingy with runs against the same side (.091).
- Junior Caminero (TB) (66) vs LHP Parker Messick: a strong bat at .122 into an arm stingy with runs against the same side (.091).
- Chase DeLauter (CLE) (63) vs RHP Freddy Peralta: a solid bat at .116 into an arm with little track record against the same side.
- Travis Bazzana (CLE) (61) vs RHP Freddy Peralta: a strong bat at .126 into an arm with little track record against the same side.
- José Ramírez (CLE) (51) vs RHP Freddy Peralta: a league-average bat at .103 into an arm with little track record against the same side.
Platoon edges to target
- Nathaniel Lowe (CLE) — lefty bat vs RHP, .153 against righties this year.
- Jonny DeLuca (TB) — righty bat vs LHP, .155 against lefties this year.
- Yandy Díaz (TB) — righty bat vs LHP, .134 against lefties this year.
- Junior Caminero (TB) — righty bat vs LHP, .087 against lefties this year.
- Chase DeLauter (CLE) — lefty bat vs RHP, .118 against righties this year.
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