NRFI Results

First-inning leans for August 15, 2026, graded from final box scores.

All-time lean record

302-249

551 graded

55%

hit rate

NRFI

165-14553%

YRFI

137-10457%

3-3 on 6 leans

NRFI 3-2 · YRFI 0-1

NRFI Leans

5
125 logo
STL@
121 logo
CHC2:20 PM ET
NRFI lean
Model 55%Book -5 · 8%
Michael McGreevy
76% NRFI · 21 GS · 3/5 L5
STL 1st: 30% (#16) · 32% vs hand
Matthew Boyd
77% NRFI · 13 GS · 4/5 L5
CHC 1st: 25% (#26) · 25% vs hand

Michael McGreevy and Matthew Boyd both bring elite first-inning marks into Wrigley, at 76% and 77% NRFI respectively, and each has posted scoreless firsts in four of their last five outings between them. The Cubs' offense has been especially quiet early, scoring in just 25% of first innings — 26th in MLB — which reinforces the model's 55% scoreless read.

Wrigley Field · park run factor 94
  • NRFI lean — Michael McGreevy (76% NRFI) and Matthew Boyd (77%) have both buried the first inning, and neither lineup gets going early.
  • Books price this NRFI at -5 (8% implied); the model has it 55%.
  • The Chicago Cubs score in the first in 25% of games, 26th-most in MLB, 25% against right-handers.
  • The St. Louis Cardinals score in the first in 30% of games, 16th-most in MLB, 32% against left-handers.
103 logo
NYY@
101 logo
TOR3:07 PM ET
NRFI lean
Model 57%Book -140 · 55%
Cam Schlittler
83% NRFI · 24 GS · 4/5 L5
NYY 1st: 30% (#13) · 23% vs hand
Braydon Fisher
100% NRFI · 7 GS · 5/5 L5
TOR 1st: 22% (#30) · 24% vs hand

Braydon Fisher hasn't allowed a first-inning run in any of his seven starts, and Schlittler brings his own 83% NRFI mark into Rogers Centre. Toronto's bats also make this lean the right way — they've scored in the first just 22% of the time, among the quietest openers in baseball. With two strong arms and a sluggish Blue Jays lineup, the model's 57% scoreless read makes sense.

Rogers Centre · park run factor 100
  • NRFI lean — Cam Schlittler (83% NRFI) and Braydon Fisher (100%) have both buried the first inning, and neither lineup gets going early.
  • Books price this NRFI at -140 (55% implied); the model has it 57%.
  • The Toronto Blue Jays score in the first in 22% of games, 30th-most in MLB, 24% against right-handers.
  • The New York Yankees score in the first in 30% of games, 13th-most in MLB, 23% against right-handers.
102 logo
BAL@
105 logo
TB6:10 PM ET
NRFI lean
Model 56%Book -134 · 54%
Kyle Bradish
91% NRFI · 22 GS · 5/5 L5
BAL 1st: 25% (#25) · 9% vs hand
Ian Seymour
78% NRFI · 9 GS · 4/5 L5
TB 1st: 33% (#6) · 32% vs hand

Kyle Bradish has been a first-inning wall this year, posting a 91% NRFI mark across 22 starts and holding the line in all five of his last outings. On the other side, Baltimore's bats have gone quiet early, plating a run in just 25% of games and a mere 9% against left-handers like Ian Seymour. Tropicana's below-average run factor only adds to the NRFI lean.

Tropicana Field · park run factor 95
  • NRFI lean — Kyle Bradish (91% NRFI) and Ian Seymour (78%) have both buried the first inning, and neither lineup gets going early.
  • Books price this NRFI at -134 (54% implied); the model has it 56%.
  • The Tampa Bay Rays score in the first in 33% of games, 6th-most in MLB, 32% against right-handers.
  • The Baltimore Orioles score in the first in 25% of games, 25th-most in MLB, 9% against left-handers.
129 logo
SD@
110 logo
CLE7:10 PM ET
NRFI lean
Model 59%Book -125 · 52%
Wandy Peralta
100% NRFI · 4 GS · 4/4 L5
SD 1st: 23% (#28) · 23% vs hand
Joey Cantillo
79% NRFI · 24 GS · 4/5 L5
CLE 1st: 26% (#23) · 23% vs hand

Wandy Peralta hasn't allowed a first-inning run across all four of his starts, a perfect NRFI mark that anchors this lean toward a scoreless frame. Joey Cantillo backs him up at 79% NRFI over 24 outings, and neither offense does much early — Cleveland scores in the first just 26% of the time, San Diego only 23%. That combination pushes the model to 59%.

Progressive Field · park run factor 94
  • NRFI lean — Wandy Peralta (100% NRFI) and Joey Cantillo (79%) have both buried the first inning, and neither lineup gets going early.
  • Books price this NRFI at -125 (52% implied); the model has it 59%.
  • The Cleveland Guardians score in the first in 26% of games, 23rd-most in MLB, 23% against left-handers.
  • The San Diego Padres score in the first in 23% of games, 28th-most in MLB, 23% against left-handers.
104 logo
BOS@
124 logo
PIT7:15 PM ET
NRFI lean
Model 53%Book -135 · 54%
Sonny Gray
71% NRFI · 21 GS · 5/5 L5
BOS 1st: 25% (#27) · 22% vs hand
Jared Jones
77% NRFI · 13 GS · 4/5 L5
PIT 1st: 30% (#14) · 33% vs hand

Jared Jones brings a 77% first-inning shutdown rate over 13 starts, and Sonny Gray isn't far behind at 71%, so PNC Park has two arms built to keep the board clean early. Boston's bats make the case stronger, plating a first-inning run in just 25% of games and only 22% against righties. The lean is toward NRFI, though the model's 53% barely trails the book.

PNC Park · park run factor 98
  • NRFI lean — Sonny Gray (71% NRFI) and Jared Jones (77%) have both buried the first inning, and neither lineup gets going early.
  • Books price this NRFI at -135 (54% implied); the model has it 53%.
  • The Pittsburgh Pirates score in the first in 30% of games, 14th-most in MLB, 33% against right-handers.
  • The Boston Red Sox score in the first in 25% of games, 27th-most in MLB, 22% against right-handers.

YRFI Leans

1
115 logo
TEX@
113 logo
OAK9:40 PM ET
YRFI lean
Model 47%Book -103.5 · 48%
MacKenzie Gore
67% NRFI · 24 GS · 3/5 L5
TEX 1st: 29% (#18) · 29% vs hand
J.T. Ginn
81% NRFI · 21 GS · 3/5 L5
OAK 1st: 29% (#19) · 30% vs hand

Sutter Health Park plays as a hitter's haven with a 117 run factor, and that offensive tilt is the main reason this leans YRFI despite two solid arms on the mound. J.T. Ginn brings an excellent 81% NRFI mark, but MacKenzie Gore's 67% is shakier, and neither the Rangers nor A's crack 30% first-inning scoring. The model's 47% scoreless read sits right on the market line.

Sutter Health Park · park run factor 117
  • YRFI lean — Sutter Health Park (run factor 117) is one of the league's most hitter-friendly parks, and the Texas Rangers score early in 29% of games.
  • Books price this NRFI at -103.5 (48% implied); the model has it 47%.
  • The Oakland Athletics score in the first in 29% of games, 19th-most in MLB, 30% against left-handers.
  • The Texas Rangers score in the first in 29% of games, 18th-most in MLB, 29% against right-handers.

Coin Flips

9
106 logo
CHW@
107 logo
DET1:10 PM ET
Coin flip
Model 47%Book -125 · 52%
Anthony Kay
71% NRFI · 21 GS · 5/5 L5
CHW 1st: 32% (#9) · 31% vs hand
Troy Melton
69% NRFI · 13 GS · 4/5 L5
DET 1st: 34% (#4) · 28% vs hand

Anthony Kay has kept the first inning clean in 71% of his 21 starts and rides a perfect 5-for-5 streak, while Troy Melton counters with a 69% NRFI mark and four scoreless firsts in his last five. Both offenses are pedestrian at getting on the board early — Detroit at 34%, Chicago at 32% — but that Tigers lineup ranks fourth in MLB, which keeps this a genuine toss-up.

Comerica Park · park run factor 100
  • Coin flip — Anthony Kay's 71% NRFI is the case for the under; the Detroit Tigers' 34% first-inning bats (4th-most in MLB) are the case for the over.
  • Books price this NRFI at -125 (52% implied); the model has it 47%.
  • The Detroit Tigers score in the first in 34% of games, 4th-most in MLB, 28% against left-handers.
  • The Chicago White Sox score in the first in 32% of games, 9th-most in MLB, 31% against right-handers.
127 logo
COL@
130 logo
SF4:05 PM ET
Coin flip
Model 53%Book -130 · 53%
Michael Lorenzen
57% NRFI · 23 GS · 2/5 L5
COL 1st: 34% (#3) · 31% vs hand
Logan Webb
80% NRFI · 20 GS · 4/5 L5
SF 1st: 22% (#29) · 18% vs hand

Logan Webb's 80% first-inning shutdown rate over 20 starts is the anchor here, and the Giants' offense scoring in the opening frame just 22% of the time only tightens the leash on Colorado's bats. But the Rockies rank third in MLB at putting up a first-inning run (34%), and Michael Lorenzen's shakier 57% NRFI mark keeps this dead even at Oracle Park.

Oracle Park · park run factor 94
  • Coin flip — Logan Webb's 80% NRFI is the case for the under; the Colorado Rockies' 34% first-inning bats (3rd-most in MLB) are the case for the over.
  • Books price this NRFI at -130 (53% implied); the model has it 53%.
  • The San Francisco Giants score in the first in 22% of games, 29th-most in MLB, 18% against right-handers.
  • The Colorado Rockies score in the first in 34% of games, 3rd-most in MLB, 31% against right-handers.
120 logo
WSH@
117 logo
NYM4:10 PM ET
Coin flip
Model 51% (low)Book -132 · 53%
Brad Lord
100% NRFI · 2 GS · 2/2 L5
WSH 1st: 34% (#2) · 32% vs hand
Sean Manaea
64% NRFI · 11 GS · 4/5 L5
NYM 1st: 26% (#24) · 24% vs hand

Brad Lord has kept the first inning clean in both of his starts, but a two-game sample doesn't say much, which is why the model sits at just 51%. Sean Manaea's 64% NRFI rate helps against a Mets lineup that scores early only 26% of the time, though Washington's bats rank 2nd in MLB at first-inning scoring. Slightly pitcher-friendly Citi Field can't tip this true toss-up.

Citi Field · park run factor 96
  • Coin flip — Sean Manaea's 64% NRFI is the case for the under; the Washington Nationals' 34% first-inning bats (2nd-most in MLB) are the case for the over.
  • Books price this NRFI at -132 (53% implied); the model has it 51%.
  • The New York Mets score in the first in 26% of games, 24th-most in MLB, 24% against right-handers.
  • The Washington Nationals score in the first in 34% of games, 2nd-most in MLB, 32% against left-handers.
116 logo
MIA@
122 logo
CIN6:40 PM ET
Coin flip
Model 48%Book -109 · 49%
Ryan Gusto
70% NRFI · 10 GS · 3/5 L5
MIA 1st: 29% (#17) · 30% vs hand
Brady Singer
57% NRFI · 21 GS · 5/5 L5
CIN 1st: 27% (#22) · 31% vs hand

Ryan Gusto's 70% first-inning shutout rate over 10 starts is the sturdiest number here, and Brady Singer counters with five straight clean firsts, so both arms are trending in the same direction. The pull toward runs comes from Great American Ball Park's 106 run factor. With neither offense cracking 31% first-inning scoring, this one sits right at a 48% coin flip.

Great American Ball Park · park run factor 106
  • Coin flip — Ryan Gusto's 70% NRFI is the case for the under; the Miami Marlins' 29% first-inning bats (17th-most in MLB) are the case for the over.
  • Books price this NRFI at -109 (49% implied); the model has it 48%.
  • The Cincinnati Reds score in the first in 27% of games, 22nd-most in MLB, 31% against right-handers.
  • The Miami Marlins score in the first in 29% of games, 17th-most in MLB, 30% against right-handers.
118 logo
PHI@
109 logo
MIN7:10 PM ET
Coin flip
Model 49%Book -118 · 51%
Jesus Luzardo
96% NRFI · 23 GS · 5/5 L5
PHI 1st: 33% (#8) · 36% vs hand
Connor Prielipp
56% NRFI · 16 GS · 2/5 L5
MIN 1st: 33% (#7) · 33% vs hand

Jesus Luzardo has been a first-inning wall for Philadelphia, posting a 96% NRFI rate across 23 starts with a clean 5-for-5 over his last five. The tension comes from Connor Prielipp, whose 56% NRFI number and 2-for-5 recent stretch drag the Twins' side down, especially at run-friendly Target Field. Model sits at 49% scoreless — basically a wash against the book's 51%.

Target Field · park run factor 104
  • Coin flip — Jesus Luzardo's 96% NRFI is the case for the under; the Philadelphia Phillies' 33% first-inning bats (8th-most in MLB) are the case for the over.
  • Books price this NRFI at -118 (51% implied); the model has it 49%.
  • The Minnesota Twins score in the first in 33% of games, 7th-most in MLB, 33% against left-handers.
  • The Philadelphia Phillies score in the first in 33% of games, 8th-most in MLB, 36% against left-handers.
114 logo
SEA@
111 logo
HOU7:10 PM ET
Coin flip
Model 50%Book -110 · 49%
Emerson Hancock
80% NRFI · 20 GS · 4/5 L5
SEA 1st: 29% (#20) · 26% vs hand
Hayden Wesneski
67% NRFI · 3 GS · 2/3 L5
HOU 1st: 34% (#5) · 36% vs hand

Emerson Hancock brings the sturdiest arm to Daikin Park, posting an 80% first-inning shutout rate across 20 starts and going scoreless in four of his last five. That form is offset by Houston's bats, which plate a first-inning run in 34% of games — fifth-most in MLB. With Wesneski far less proven over just three starts, this one grades out as a true coin flip at 50%.

Daikin Park · park run factor 100
  • Coin flip — Emerson Hancock's 80% NRFI is the case for the under; the Houston Astros' 34% first-inning bats (5th-most in MLB) are the case for the over.
  • Books price this NRFI at -110 (49% implied); the model has it 50%.
  • The Houston Astros score in the first in 34% of games, 5th-most in MLB, 36% against right-handers.
  • The Seattle Mariners score in the first in 29% of games, 20th-most in MLB, 26% against right-handers.
126 logo
ARI@
119 logo
ATL7:15 PM ET
Coin flip
Model 49%Book -105 · 48%
Eduardo Rodriguez
61% NRFI · 23 GS · 4/5 L5
ARI 1st: 32% (#11) · 31% vs hand
Grant Holmes
85% NRFI · 20 GS · 5/5 L5
ATL 1st: 30% (#15) · 24% vs hand

Grant Holmes is the anchor here, sitting on an 85% first-inning NRFI mark across 20 starts and a perfect 5-for-5 in his last five. The tension comes from the other side: Eduardo Rodriguez is a shakier 61% NRFI, and Arizona's bats plate a first-inning run 32% of the time. That split explains why the model lands at 49%, essentially matching the book's 48%.

Truist Park · park run factor 102
  • Coin flip — Grant Holmes' 85% NRFI is the case for the under; the Arizona Diamondbacks' 32% first-inning bats (11th-most in MLB) are the case for the over.
  • Books price this NRFI at -105 (48% implied); the model has it 49%.
  • The Atlanta Braves score in the first in 30% of games, 15th-most in MLB, 24% against left-handers.
  • The Arizona Diamondbacks score in the first in 32% of games, 11th-most in MLB, 31% against right-handers.
123 logo
MIL@
128 logo
LAD7:15 PM ET
Coin flip
Model 51%Book -145 · 55%
Jacob Misiorowski
86% NRFI · 21 GS · 4/5 L5
MIL 1st: 28% (#21) · 36% vs hand
Justin Wrobleski
63% NRFI · 19 GS · 2/5 L5
LAD 1st: 32% (#10) · 32% vs hand

Jacob Misiorowski has been elite out of the gate, posting an 86% first-inning shutout rate across 21 starts, and he's a strong reason to lean NRFI here. The wobble comes on the other side: Justin Wrobleski sits at just 63% and has allowed a first-inning run in three of his last five. With the Dodgers scoring early in 32% of games, this one stays a coin flip.

Dodger Stadium · park run factor 102
  • Coin flip — Jacob Misiorowski's 86% NRFI is the case for the under; the Los Angeles Dodgers' 32% first-inning bats (10th-most in MLB) are the case for the over.
  • Books price this NRFI at -145 (55% implied); the model has it 51%.
  • The Los Angeles Dodgers score in the first in 32% of games, 10th-most in MLB, 32% against right-handers.
  • The Milwaukee Brewers score in the first in 28% of games, 21st-most in MLB, 36% against left-handers.
108 logo
KC@
112 logo
LAA9:38 PM ET
Coin flip
Model 48%Book -122 · 51%
Randy Dobnak
80% NRFI · 5 GS · 4/5 L5
KC 1st: 31% (#12) · 33% vs hand
Reid Detmers
74% NRFI · 23 GS · 4/5 L5
LAA 1st: 35% (#1) · 34% vs hand

Randy Dobnak has kept the first frame clean in 80% of his five starts, and Reid Detmers isn't far behind at 74% over a much larger sample of 23. The pushback comes from the Angels lineup, which plots up in the opening inning more than any team in baseball at 35%. That tug-of-war lands this one at a true coin flip, with the model's 48% sitting just under the market's 51%.

Angel Stadium · park run factor 102
  • Coin flip — Randy Dobnak's 80% NRFI is the case for the under; the Los Angeles Angels' 35% first-inning bats (most in MLB) are the case for the over.
  • Books price this NRFI at -122 (51% implied); the model has it 48%.
  • The Los Angeles Angels score in the first in 35% of games, the most in MLB, 34% against right-handers.
  • The Kansas City Royals score in the first in 31% of games, 12th-most in MLB, 33% against left-handers.

First-inning results graded from final box scores. Verdicts are informational, not betting advice.

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