Seattle Mariners NRFI Stats 2026: First-Inning Record by Home, Away, Month and Starter
The Mariners 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 30% of their games and allowed a first-inning run in 34%. Everything below is counted from the official line scores through September 27, 2026.
Mariners 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 Mariners’ offense and their starter both matter.
| Games | Rate | Runs | Runs per game | |
|---|---|---|---|---|
| Mariners scored in the 1st | 49 | 30% | 83 | 0.51 |
| Mariners allowed a run in the 1st | 55 | 34% | 86 | 0.53 |
By month
| Month | Games | NRFI | Rate | Scored in 1st | Allowed in 1st |
|---|---|---|---|---|---|
| March | 6 | 3 | 50% | 17% | 50% |
| April | 26 | 10 | 38% | 42% | 31% |
| May | 28 | 13 | 46% | 36% | 21% |
| June | 27 | 14 | 52% | 26% | 30% |
| July | 24 | 14 | 58% | 4% | 38% |
| August | 27 | 8 | 30% | 44% | 41% |
| September | 24 | 12 | 50% | 29% | 42% |
By starting pitcher
Games where the pitcher was the Mariners’ listed starter, and how many of those had no run allowed in the first inning.
| Starter | Starts | Scoreless 1st | Rate | 1st-inning runs allowed |
|---|---|---|---|---|
| Logan Gilbert | 32 | 19 | 59% | 17 |
| George Kirby | 31 | 19 | 61% | 20 |
| Bryan Woo | 30 | 23 | 77% | 15 |
| Emerson Hancock | 24 | 17 | 71% | 11 |
| Bryce Miller | 21 | 14 | 67% | 10 |
| Luis Castillo | 17 | 10 | 59% | 10 |
| Kade Anderson | 7 | 5 | 71% | 3 |
Previous seasons
| Season | Games | NRFI | Rate | Scored in 1st | Allowed in 1st |
|---|---|---|---|---|---|
| 2023 | 162 | 80 | 49% | 28% | 30% |
| 2024 | 162 | 92 | 57% | 28% | 22% |
| 2025 | 162 | 82 | 51% | 30% | 28% |
What is the Mariners’ 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 Mariners score in the first inning?
In 30% of their 162 games in 2026, averaging 0.51 first-inning runs per game.
Which Mariners starter has the best first-inning record?
Bryan Woo, with no first-inning run allowed in 23 of 30 starts (77%) in 2026.
Should I bet NRFI on Mariners 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.