Arizona Diamondbacks NRFI Stats 2026: First-Inning Record by Home, Away, Month and Starter
The Diamondbacks played 162 regular-season games in 2026 and 74 of them (46%) had no run in the first inning, the result an NRFI bet needs. They scored in the first in 29% of their games and allowed a first-inning run in 33%. Everything below is counted from the official line scores through September 27, 2026.
Diamondbacks NRFI record, 2026
| Split | Games | NRFI | YRFI | NRFI rate |
|---|---|---|---|---|
| All games | 162 | 74 | 88 | 46% |
| Home | 81 | 39 | 42 | 48% |
| Away | 81 | 35 | 46 | 43% |
First-inning scoring, both halves
An NRFI needs both halves of the inning to stay scoreless, so the Diamondbacks’ offense and their starter both matter.
| Games | Rate | Runs | Runs per game | |
|---|---|---|---|---|
| Diamondbacks scored in the 1st | 47 | 29% | 84 | 0.52 |
| Diamondbacks allowed a run in the 1st | 53 | 33% | 96 | 0.59 |
By month
| Month | Games | NRFI | Rate | Scored in 1st | Allowed in 1st |
|---|---|---|---|---|---|
| March | 5 | 3 | 60% | 40% | 0% |
| April | 25 | 9 | 36% | 28% | 44% |
| May | 28 | 14 | 50% | 29% | 32% |
| June | 27 | 11 | 41% | 30% | 44% |
| July | 25 | 12 | 48% | 36% | 24% |
| August | 29 | 13 | 45% | 24% | 34% |
| September | 23 | 12 | 52% | 26% | 22% |
By starting pitcher
Games where the pitcher was the Diamondbacks’ listed starter, and how many of those had no run allowed in the first inning.
| Starter | Starts | Scoreless 1st | Rate | 1st-inning runs allowed |
|---|---|---|---|---|
| Eduardo Rodriguez | 32 | 18 | 56% | 27 |
| Merrill Kelly | 29 | 21 | 72% | 15 |
| Michael Soroka | 21 | 16 | 76% | 11 |
| Zac Gallen | 20 | 9 | 45% | 19 |
| Brandon Pfaadt | 19 | 16 | 84% | 4 |
| Ryne Nelson | 15 | 12 | 80% | 10 |
| Mitch Bratt | 10 | 7 | 70% | 3 |
| Jose Cabrera | 5 | 3 | 60% | 2 |
| Kohl Drake | 5 | 2 | 40% | 4 |
| Corbin Burnes | 3 | 3 | 100% | 0 |
Previous seasons
| Season | Games | NRFI | Rate | Scored in 1st | Allowed in 1st |
|---|---|---|---|---|---|
| 2023 | 162 | 75 | 46% | 36% | 30% |
| 2024 | 162 | 81 | 50% | 39% | 23% |
| 2025 | 162 | 69 | 43% | 38% | 30% |
What is the Diamondbacks’ NRFI record in 2026?
74 NRFI and 88 YRFI in 162 regular-season games, a 46% NRFI rate. At home it was 48% and on the road 43%.
How often do the Diamondbacks score in the first inning?
In 29% of their 162 games in 2026, averaging 0.52 first-inning runs per game.
Which Diamondbacks starter has the best first-inning record?
Brandon Pfaadt, with no first-inning run allowed in 16 of 19 starts (84%) in 2026.
Should I bet NRFI on Diamondbacks games?
Only when the price is better than the real chance of a scoreless first, which depends on that day’s starters, lineups, park and weather far more than on the season record. Our model simulates every game 20,000 times and posts a play when a book’s price clears the projection; see MLB NRFI and YRFI picks.
Source: MLB Stats API line scores and probable starters, 2026 regular season. Updated October 13, 2026. See NRFI stats for every team or all stats.