Who has the best rbis matchup today (Tuesday, August 4, 2026)?

Sal Stewart (CIN) — top of the board at 100, facing RHP J.T. Ginn. An elite bat into a beatable arm is what pushes it to No. 1.

What are the best MLB rbis matchups today (Tuesday, August 4, 2026)?

The top rbis matchups on Tuesday, August 4, 2026: Sal Stewart (100), Drake Baldwin (100), James McCann (100), Jo Adell (99), Brandon Lowe (98). The full board ranks every hitter in every game by rbis upside.

Which hitters have a platoon edge today?

Drake Baldwin (ATL) — lefty bat vs RHP, .166 against righties this year. Jo Adell (CLE) — righty bat vs LHP, .223 against lefties this year. Brandon Lowe (PIT) — lefty bat vs RHP, .189 against righties this year. Owen Caissie (MIA) — lefty bat vs RHP, .209 against righties this year. Shohei Ohtani (LAD) — lefty bat vs RHP, .137 against righties this year.

How is the rbis matchup score calculated?

It's a weighted read of the hitter's RBIs per plate appearance against the hand he's facing — the last two weeks, the current season, and a two-year baseline, with recent form counting most. Then it folds in the opposing bullpen, his expected plate appearances from the batting order, and park and weather. Scores are set 0–100 across the day's slate, so the best matchup is always 100.

What does RBI/PA mean?

It's the share of a hitter's trips to the plate that drive in a run. Around .105 is league average. RBIs lean on lineup spot and who's on base ahead of you, so we weigh the matchup but it's a noisier market than hits.

What does the score actually mean?

Higher is better for the hitter. 80s and 90s mean the bat, the pitcher, and the park all line up. 40s and 50s mean it's neutral to tough. It's a ranking of how today's spots stack up against each other — not the odds of a RBI.

What's the confidence meter?

It's how much data is behind the call — sample size on both the hitter and the pitcher, plus whether the lineup's official. A high score with low confidence is a thinner read than the same score backed by a deep track record. It's not a probability of a RBI.

What is a platoon split (handedness split)?

Most hitters do better against the opposite hand — a lefty bat vs. a righty arm, and vice versa. That gap is the platoon split. The score leans hard on each hitter's rate against the hand he's facing today, which is why the same guy can rank very differently day to day.

What are park factors?

Parks aren't neutral. Dimensions, altitude, and weather make some easier to hit in than others. Above 1.00 bumps the score, below 1.00 trims it — same hitter, higher grade in a hitter's park than a pitcher's.

What do "2W", "SZN" and "2Y" mean?

The timeframes behind each rate: the last two weeks (recent form), the current season, and a trailing two years (a stable baseline). Recent form counts most, and small samples get pulled toward league average so a hot week doesn't fool the model.

What do "≈ est", "Due" and "Not starting" mean?

"≈ est" is a hitter we don't have splits for yet — a rookie or unmatched ID — shown at a league-baseline estimate instead of dropped. "Due" means he hasn't recorded a RBI in a while and profiles for regression. "Not starting" means he was projected but didn't make the official lineup, so he slides to the bottom where you can still look him up.

Can I use this for rbis props or DFS?

That's what it's built for — pre-slate research. The board surfaces which hitters have the best conditions today, and where one exists, we show the book's "1+ RBI" line so you can shop the price. We're not a sportsbook and we don't post picks — we show the matchup data, the line, and the result. (Best-price and all-book odds are a Pro feature.)

How accurate is the model?

We grade every board against real results, and the top of the board lands a RBI a lot more often than the slate as a whole. Weights get re-tuned weekly against actual outcomes on a held-out split, and since results sit next to projections, you can audit the hit rate yourself on any past date.

When do lineups update?

Projected lineups (marked "Proj") come from each team's last game. Official lineups usually drop about two hours before first pitch, and the board updates itself as they post. Batting order is a big driver, so it's worth a second look mid-afternoon — rankings shift as lineups lock.

Yes. The full board, every game page, and the daily archive are free, no login. Best-price odds and the betting tools are the paid tier.

Best MLB RBIs matchups — Tuesday, August 4, 2026

Every hitter on the Tuesday, August 4, 2026 slate — ranked by the best RBI matchups — who's set up to drive in runs. Results show how each call played out.

How the model did — Tuesday, August 4, 2026

Our top 5 hitters went 2/5 (40%) on 1+ RBI, against 35% on the season.

Top 5

2/540%

season 35%

Top 10

2/1020%

season 33%

Full slate

72/27027%

season 29%

Top call Sal Stewart came through. Drake Baldwin didn't.

Final · 1–3

LAAaway

BALhomeTop matchup90 Final · 6–2

NYMaway

CLEhomeTop matchup99 Final · 4–5

ATHaway

CINhomeTop matchup100 Final · 0–5

WSHaway

PHIhomeTop matchup83 Final · 0–2

STLaway

NYYhomeTop matchup59 Final · 2–14

CWSaway

BOShomeTop matchup83 Final · 2–4

MIAaway

ATLhomeTop matchup100 Final · 2–8

MINaway

KChomeTop matchup79 Final · 2–4

PITaway

MILhomeTop matchup98 Final · 1–5

LADaway

CHChomeTop matchup94 Final · 4–5

SFaway

TEXhomeTop matchup77 Final · 2–7

TORaway

HOUhomeTop matchup97 Final · 9–7

TBaway

COLhomeTop matchup88 Final · 9–4

SDaway

AZhomeTop matchup100 Final · 8–0

DETaway

SEAhomeTop matchup83

Not starting67 not in the official lineup — moved to the bottom

PosSort

#Hitter · Matchup · 337 shownScore

74 with a RBILive count — updates as games play

1
Liam HicksC
TB@COL· 2-for-5
4RBIFinal
Proj 0.6 RBI, #38
T1
Ezequiel DuranSS
TEXvsSF· 3-for-5
4RBIFinal
Proj 0.5 RBI, #83
T1
Manny Machado3B
SD@AZ· 3-for-5
4RBIFinal
Proj 0.5 RBI, #134
T1
Caleb Durbin3B
BOSvsCWS· 2-for-3
4RBIFinal
Proj 0.4 RBI, #148
T1
Luis TorrensC
NYM@CLE· 3-for-3
4RBIFinal
Proj 0.4 RBI, #216
6
Mickey MoniakLF
COLvsTB· 1-for-3
3RBIFinal
Proj 0.6 RBI, #19
T6
Jonathan Aranda1B
TB@COL· 1-for-5
3RBIFinal
Proj 0.6 RBI, #20
T6
Taylor TrammellCF
HOUvsTOR· 1-for-3
3RBIFinal
Proj 0.4 RBI, #187
9
James McCannC
AZvsSD· 1-for-3
2RBIFinal
Proj 0.7 RBI, #3
T9
Bobby Witt Jr.SS
KCvsMIN· 3-for-5
2RBIFinal
Proj 0.5 RBI, #42
T9
Ceddanne RafaelaCF
BOSvsCWS· 1-for-3
2RBIFinal
Proj 0.5 RBI, #55
T9
Jackson ChourioLF
MILvsPIT· 3-for-4
2RBIFinal
Proj 0.5 RBI, #58
T9
Willson Contreras1B
BOSvsCWS· 2-for-4
2RBIFinal
Proj 0.5 RBI, #59
T9
Nolan Arenado3B
AZvsSD· 1-for-4
2RBIFinal
Proj 0.5 RBI, #61
T9
Jackson MerrillCF
SD@AZ· 3-for-5
2RBIFinal
Proj 0.5 RBI, #74
T9
Austin Riley3B
ATLvsMIA· 2-for-3
2RBIFinal
Proj 0.5 RBI, #78
T9
Jacob WilsonSS
ATH@CIN· 1-for-4
2RBIFinal
Proj 0.5 RBI, #85
T9
Pete Alonso1B
BALvsLAA· 1-for-4
2RBIFinal
Proj 0.5 RBI, #88
T9
Elly De La CruzSS
CINvsATH· 1-for-3
2RBIFinal
Proj 0.5 RBI, #102
T9
Gleyber Torres2B
DET@SEA· 1-for-5
2RBIFinal
Proj 0.5 RBI, #115
T9
Osleivis Basabe2B
SF@TEX· 1-for-5
2RBIFinal
Proj 0.5 RBI, #117
T9
Wilyer AbreuRF
BOSvsCWS· 2-for-4
2RBIFinal
Proj 0.5 RBI, #119
T9
Luis Arraez2B
PHIvsWSH· 2-for-4
2RBIFinal
Proj 0.5 RBI, #125
T9
Nico Hoerner2B
CHCvsLAD· 2-for-4
2RBIFinal
Proj 0.4 RBI, #160
T9
Colt Keith3B
DET@SEA· 3-for-4
2RBIFinal
Proj 0.4 RBI, #219
T9
Willi Castro2B
COLvsTB· 1-for-5
2RBIFinal
Proj 0.4 RBI, #221
T9
Leo Jiménez3B
MIA@ATL· 1-for-4
2RBIFinal
Proj 0.4 RBI, #230
T9
Jose Altuve2B
HOUvsTOR· 3-for-4
2RBIFinal
Proj 0.4 RBI, #233
T9
Andruw MonasterioSS
BOSvsCWS· 2-for-4
2RBIFinal
Proj 0.3 RBI, #257
T9
Starling MarteRF
KCvsMIN· 1-for-1
2RBIFinal
Proj 0.4 RBI
31
Sal Stewart1B
CINvsATH· 1-for-2
1RBIFinal
Proj 0.7 RBI, #1
T31
Junior Caminero3B
TB@COL· 2-for-6
1RBIFinal
Proj 0.6 RBI, #14
T31
Riley GreeneLF
DET@SEA· 3-for-5
1RBIFinal
Proj 0.6 RBI, #15
T31
Alec Bohm3B
PHIvsWSH· 1-for-3
1RBIFinal
Proj 0.7 RBI, #17
T31
Dillon DinglerC
DET@SEA· 2-for-5
1RBIFinal
Proj 0.6 RBI, #18
T31
Bo Bichette3B
NYM@CLE· 2-for-4
1RBIFinal
Proj 0.6 RBI, #22
T31
Seiya SuzukiRF
CHCvsLAD· 1-for-2
1RBIFinal
Proj 0.6 RBI, #26
T31
Salvador PerezDH
KCvsMIN· 1-for-3
1RBIFinal
Proj 0.6 RBI, #31
T31
Pete Crow-ArmstrongCF
CHCvsLAD· 2-for-4
1RBIFinal
Proj 0.5 RBI, #47
T31
Jeff McNeil2B
ATH@CIN· 2-for-4
1RBIFinal
Proj 0.5 RBI, #77
T31
Jarren DuranLF
BOSvsCWS· 2-for-4
1RBIFinal
Proj 0.5 RBI, #82
T31
Jac CaglianoneRF
KCvsMIN· 2-for-4
1RBIFinal
Proj 0.5 RBI, #90
T31
Andrew Vaughn1B
MILvsPIT· 1-for-3
1RBIFinal
Proj 0.5 RBI, #93
T31
Jazz Chisholm Jr.2B
NYYvsSTL· 1-for-3
1RBIFinal
Proj 0.5 RBI, #99
T31
Brandon NimmoRF
TEXvsSF· 3-for-5
1RBIFinal
Proj 0.5 RBI, #111
T31
Ozzie Albies2B
ATLvsMIA· 1-for-4
1RBIFinal
Proj 0.5 RBI, #121
T31
Trea TurnerSS
PHIvsWSH· 3-for-4
1RBIFinal
Proj 0.5 RBI, #122
T31
Kevin McGonigleSS
DET@SEA· 0-for-4
1RBIFinal
Proj 0.5 RBI, #126
T31
Josh BellDH
MIN@KC· 2-for-4
1RBIFinal
Proj 0.4 RBI, #130
T31
Kyle TuckerRF
LAD@CHC· 2-for-3
1RBIFinal
Proj 0.4 RBI, #132
T31
Carson BengeRF
NYM@CLE· 1-for-4
1RBIFinal
Proj 0.5 RBI, #137
T31
Dansby SwansonSS
CHCvsLAD· 3-for-4
1RBIFinal
Proj 0.4 RBI, #139
T31
Masataka YoshidaDH
BOSvsCWS· 2-for-4
1RBIFinal
Proj 0.4 RBI, #140
T31
Angel MartínezLF
CLEvsNYM· 1-for-3
1RBIFinal
Proj 0.4 RBI, #149
T31
Brandon MarshLF
PHIvsWSH· 1-for-4
1RBIFinal
Proj 0.4 RBI, #152
T31
Luis LaraRF
MILvsPIT· 1-for-3
1RBIFinal
Proj 0.4 RBI, #155
T31
Michael Massey2B
KCvsMIN· 1-for-4
1RBIFinal
Proj 0.4 RBI, #157
T31
Endy RodríguezC
PIT@MIL· 1-for-3
1RBIFinal
Proj 0.4 RBI, #165
T31
Yainer DiazC
HOUvsTOR· 2-for-4
1RBIFinal
Proj 0.5 RBI, #169
T31
Travis Bazzana2B
CLEvsNYM· 1-for-4
1RBIFinal
Proj 0.4 RBI, #173
T31
Kyle IsbelCF
KCvsMIN· 2-for-4
1RBIFinal
Proj 0.4 RBI, #181
T31
George Lombard Jr.SS
NYYvsSTL· 1-for-2
1RBIFinal
Proj 0.4 RBI, #192
T31
Jacob GonzalezSS
PIT@MIL· 1-for-3
1RBIFinal
Proj 0.4 RBI, #196
T31
Vaughn Grissom2B
LAA@BAL· 1-for-4
1RBIFinal
Proj 0.4 RBI, #204
T31
Alan RodenRF
MIN@KC· 0-for-1
1RBIFinal
Proj 0.4 RBI, #224
T31
Freddy FerminC
SD@AZ· 2-for-5
1RBIFinal
Proj 0.4 RBI, #228
T31
Jake Cronenworth2B
SD@AZ· 3-for-5
1RBIFinal
Proj 0.4 RBI, #239
T31
Miguel Vargas3B
CWS@BOS· 0-for-2
1RBIFinal
Proj 0.4 RBI, #241
T31
Ezequiel TovarSS
COLvsTB· 2-for-4
1RBIFinal
Proj 0.4 RBI, #251
T31
Braden MontgomeryRF
CWS@BOS· 0-for-3
1RBIFinal
Proj 0.3 RBI, #256
T31
Cam SmithRF
HOUvsTOR· 1-for-3
1RBIFinal
Proj 0.4 RBI, #264
T31
Myles StrawRF
TOR@HOU· 2-for-3
1RBIFinal
Proj 0.3 RBI, #265
T31
Xander BogaertsSS
SD@AZ· 2-for-3
1RBIFinal
Proj 0.4 RBI, #266
T31
Tyler O'NeillRF
BALvsLAA· 1-for-1
1RBIFinal
Proj 0.5 RBI

Best MLB RBIs Matchups — Tuesday, August 4, 2026

Sal Stewart (CIN) is the top rbis matchup on the Tuesday, August 4, 2026 board at 100, with Drake Baldwin (ATL) and James McCann (AZ) right behind. Every hitter on the slate is ranked by the best RBI matchups — who's set up to drive in runs — run-producing bats, the arm and bullpen they face, batting order, park, and weather. It's the read DFS and prop players make before lock.

Top rbis spot: Sal Stewart

Sal Stewart (CIN) tops the board at 100, facing RHP J.T. Ginn. The righty is driving in runs at .183 RBI/PA against righties this year — and .288 over the last two weeks, an elite bat that turns into a RBI in about 18% of his trips. And J.T. Ginn has been thin against righties lately. 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 J.T. Ginn. It all sets up in a neutral park.

The rest of the top of the board

Drake Baldwin (ATL) (100) vs RHP Ryan Gusto: an excellent bat at .158 into an arm getting lit up by the same side (.210).
James McCann (AZ) (100) vs RHP Randy Vásquez: an elite bat at .192 into an arm stingy with runs against the same side (.095), hot bat.
Jo Adell (CLE) (99) vs LHP Sean Manaea: an elite bat at .178 into an arm stingy with runs against the same side (.035), due to bounce back.
Brandon Lowe (PIT) (98) vs RHP Logan Henderson: an elite bat at .163 into an arm stingy with runs against the same side (.036).
Kazuma Okamoto (TOR) (97) vs RHP Hayden Wesneski: an excellent bat at .160 into an arm getting lit up by the same side (.200).
Owen Caissie (MIA) (95) vs RHP Grant Holmes: an elite bat at .172 into an arm mostly holding up against the same side (.100).
Shohei Ohtani (LAD) (94) vs RHP Javier Assad: an excellent bat at .149 into an arm stingy with runs against the same side (.056), hot bat.

Platoon edges to target

Drake Baldwin (ATL) — lefty bat vs RHP, .166 against righties this year.
Jo Adell (CLE) — righty bat vs LHP, .223 against lefties this year.
Brandon Lowe (PIT) — lefty bat vs RHP, .189 against righties this year.
Owen Caissie (MIA) — lefty bat vs RHP, .209 against righties this year.
Shohei Ohtani (LAD) — lefty bat vs RHP, .137 against righties this year.

How it played out

2 of the top 10 rbis matchups landed at least one RBI. Top play Sal Stewart finished with 1 RBI. 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.

Keep reading

Frequently asked questions

Who has the best rbis matchup today (Tuesday, August 4, 2026)?: Sal Stewart (CIN) — top of the board at 100, facing RHP J.T. Ginn. An elite bat into a beatable arm is what pushes it to No. 1.
What are the best MLB rbis matchups today (Tuesday, August 4, 2026)?: The top rbis matchups on Tuesday, August 4, 2026: Sal Stewart (100), Drake Baldwin (100), James McCann (100), Jo Adell (99), Brandon Lowe (98). The full board ranks every hitter in every game by rbis upside.
Did the top rbis matchup get a RBI on Tuesday, August 4, 2026?: Yes — Sal Stewart got 1 RBI.
Which hitters have a platoon edge today?: Drake Baldwin (ATL) — lefty bat vs RHP, .166 against righties this year. Jo Adell (CLE) — righty bat vs LHP, .223 against lefties this year. Brandon Lowe (PIT) — lefty bat vs RHP, .189 against righties this year. Owen Caissie (MIA) — lefty bat vs RHP, .209 against righties this year. Shohei Ohtani (LAD) — lefty bat vs RHP, .137 against righties this year.
How is the rbis matchup score calculated?: It's a weighted read of the hitter's RBIs per plate appearance against the hand he's facing — the last two weeks, the current season, and a two-year baseline, with recent form counting most. Then it folds in the opposing bullpen, his expected plate appearances from the batting order, and park and weather. Scores are set 0–100 across the day's slate, so the best matchup is always 100.
What does RBI/PA mean?: It's the share of a hitter's trips to the plate that drive in a run. Around .105 is league average. RBIs lean on lineup spot and who's on base ahead of you, so we weigh the matchup but it's a noisier market than hits.
What does the score actually mean?: Higher is better for the hitter. 80s and 90s mean the bat, the pitcher, and the park all line up. 40s and 50s mean it's neutral to tough. It's a ranking of how today's spots stack up against each other — not the odds of a RBI.
What's the confidence meter?: It's how much data is behind the call — sample size on both the hitter and the pitcher, plus whether the lineup's official. A high score with low confidence is a thinner read than the same score backed by a deep track record. It's not a probability of a RBI.
What is a platoon split (handedness split)?: Most hitters do better against the opposite hand — a lefty bat vs. a righty arm, and vice versa. That gap is the platoon split. The score leans hard on each hitter's rate against the hand he's facing today, which is why the same guy can rank very differently day to day.
What are park factors?: Parks aren't neutral. Dimensions, altitude, and weather make some easier to hit in than others. Above 1.00 bumps the score, below 1.00 trims it — same hitter, higher grade in a hitter's park than a pitcher's.
What do "2W", "SZN" and "2Y" mean?: The timeframes behind each rate: the last two weeks (recent form), the current season, and a trailing two years (a stable baseline). Recent form counts most, and small samples get pulled toward league average so a hot week doesn't fool the model.
What do "≈ est", "Due" and "Not starting" mean?: "≈ est" is a hitter we don't have splits for yet — a rookie or unmatched ID — shown at a league-baseline estimate instead of dropped. "Due" means he hasn't recorded a RBI in a while and profiles for regression. "Not starting" means he was projected but didn't make the official lineup, so he slides to the bottom where you can still look him up.
Can I use this for rbis props or DFS?: That's what it's built for — pre-slate research. The board surfaces which hitters have the best conditions today, and where one exists, we show the book's "1+ RBI" line so you can shop the price. We're not a sportsbook and we don't post picks — we show the matchup data, the line, and the result. (Best-price and all-book odds are a Pro feature.)
How accurate is the model?: We grade every board against real results, and the top of the board lands a RBI a lot more often than the slate as a whole. Weights get re-tuned weekly against actual outcomes on a held-out split, and since results sit next to projections, you can audit the hit rate yourself on any past date.
When do lineups update?: Projected lineups (marked "Proj") come from each team's last game. Official lineups usually drop about two hours before first pitch, and the board updates itself as they post. Batting order is a big driver, so it's worth a second look mid-afternoon — rankings shift as lineups lock.
Is MatchWiz free?: Yes. The full board, every game page, and the daily archive are free, no login. Best-price odds and the betting tools are the paid tier.

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