Brennan Bernardino
Pitcher · Career Stats, Bio & Records (2022-2026)
Brennan Bernardino is a pitcher who has played in Major League Baseball since 2022 for the Seattle Mariners, the Boston Red Sox, and the Colorado Rockies, a span of 5 seasons. Across 243 career appearances, he has gone 14-11 with a 3.28 ERA and 206 strikeouts. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 2070.4.
- W (Wins):
- Games credited to a pitcher whose team took a lead it never surrendered while he was the pitcher of record.
- ERA (Earned Run Average):
- Earned runs allowed per nine innings pitched: (ER × 9) ÷ IP. The primary measure of pitching effectiveness.
- SO (Strikeouts):
- For a batter, times retired on a third strike; for a pitcher, batters retired on a third strike.
- WHIP (Walks and Hits per Inning Pitched):
- Baserunners allowed per inning: (BB + H) ÷ IP. Under 1.00 is elite.
Data updated
- Position
- Pitcher
- Bats / Throws
- L / L
- Height / Weight
- 6'4" / 180 lb
- MLB Debut
- 2022-07-31
- Jersey
- #83
Full name: Brennan Allen Bernardino
Season-by-Season Pitching
Click a stat to plot it across every season.
| Year | Team | Lg | W | L | G | GS | CG | SHO | SV | IP | H | ER | BB | SO | ERA | Lg ERA | Pitcher PIV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | SEA | AL | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 2.1 | 3 | 1 | 2 | 0 | 3.86 | — | 0.0 |
| 2023 | BOS | AL | 2 | 1 | 55 | 6 | 0 | 0 | 0 | 50.2 | 48 | 18 | 18 | 58 | 3.20 | 4.33 (+26%) | 1175.9 |
| 2024 | BOS | AL | 4 | 3 | 57 | 3 | 0 | 0 | 0 | 51.0 | 50 | 23 | 22 | 56 | 4.06 | 4.08 (avg) | -87.7 |
| 2025 | BOS | AL | 4 | 3 | 55 | 3 | 0 | 0 | 1 | 51.2 | 39 | 18 | 26 | 43 | 3.14 | 4.16 (+25%) | 982.2 |
| 2026 | COL | NL | 4 | 3 | 74 | 2 | 0 | 0 | 2 | 64.0 | 59 | 20 | 15 | 49 | 2.81 | 4.18 (+33%) | - |
| Career · 5 seasons | 14 | 11 | 243 | 14 | 0 | 0 | 3 | 219.2 | 199 | 80 | 83 | 206 | 3.28 | — | 2,070 | ||
Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.
Season-by-Season Batting
Click a stat to plot it across every season.
| Year | Team | Lg | G | AB | R | H | 2B | 3B | HR | RBI | SB | BB | SO | AVG | Lg AVG | Lg OBP | Lg SLG | Lg OPS | PIV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | SEA | AL | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2023 | BOS | AL | 55 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2024 | BOS | AL | 57 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2025 | BOS | AL | 55 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| Career · 4 seasons | 169 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | — | — | — | — | — | 0 | ||
Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.
Game Log & Splits
View full game log (338 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 89 | 0 | 0 | 0 | 0 | 0 | — |
| Away | 80 | 0 | 0 | 0 | 0 | 0 | — |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 89 | 85.2 | 76 | 34 | 42 | 78 | 3.57 |
| Away | 80 | 70.0 | 64 | 26 | 26 | 79 | 3.34 |
Last 10 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-09-06 | BOS | AZ | — | 1.1 | 1 | 0 | 0 | 0 | 2 | 0 |
| 2025-09-03 | BOS | CLE | L | 0.2 | 1 | 1 | 1 | 1 | 0 | 0 |
| 2025-09-02 | BOS | CLE | — | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2025-08-30 | BOS | PIT | — | 0.2 | 2 | 2 | 2 | 2 | 1 | 0 |
| 2025-08-29 | BOS | PIT | — | 1.0 | 1 | 0 | 0 | 1 | 0 | 0 |
| 2025-08-25 | BOS | BAL | — | 1.0 | 1 | 0 | 0 | 0 | 2 | 0 |
| 2025-08-24 | BOS | NYY | — | 1.1 | 0 | 0 | 0 | 0 | 2 | 0 |
| 2025-08-19 | BOS | BAL | — | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2025-07-28 | BOS | MIN | — | 0.2 | 1 | 0 | 0 | 1 | 1 | 0 |
| 2025-07-27 | BOS | LAD | W | 0.1 | 1 | 0 | 0 | 1 | 0 | 0 |
Fielding Statistics
Career Fielding Totals by Position
Season-by-Season Fielding
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 169 |
Brennan Bernardino: the record in brief
Brennan Bernardino made a major league debut on July 31, 2022 and is still active, so the totals on this page keep changing. The season rows list, in order, the Seattle Mariners (2022) and the Boston Red Sox (2023 through 2025). At 6'4" and 180 pounds, Bernardino is listed as a pitcher. The bio says Bernardino batted and threw left-handed. Bernardino was born on January 15, 1992, in Valencia, CA, USA. On the record, Brennan Bernardino was born Brennan Allen Bernardino.
Bernardino has pitched in 243 games, starting 14, and owns a 14-11 record and 3.28 ERA. Bernardino has 206 strikeouts. Against a 4.14 league ERA for the same years, Bernardino was 20.9% better. 2023 produced Bernardino's most strikeouts, 58. In 2026, one of the busiest seasons, Bernardino posted a 2.81 ERA; the league figure that year was 4.18. Pitcher PIV, the site's era-adjusted run-prevention measure, totals 2,070.4 for Bernardino's career.
Bernardino appears at one position only: pitcher, in 169 games. Fielding on the mound produced 12 putouts and 22 assists against 8 errors.
The game-log section draws on 338 games of Retrosheet box scores for Bernardino.
Frequently Asked Questions about Brennan Bernardino
- What years did Brennan Bernardino play?
- Brennan Bernardino played in Major League Baseball from 2022 to 2026.
- Was Brennan Bernardino a pitcher?
- Yes. Brennan Bernardino pitched in the major leagues, recording 14 wins and 206 strikeouts.
- What teams has Brennan Bernardino played for?
- Brennan Bernardino has played for 3 teams: the Seattle Mariners (2022), the Boston Red Sox (2023–2025), and the Colorado Rockies (2026).
- What are Brennan Bernardino's career stats?
- In 243 games, Brennan Bernardino has gone 14-11 with a 3.28 ERA, 206 strikeouts, 219.2 innings pitched, and 3 saves.
- What position does Brennan Bernardino play?
- Brennan Bernardino plays primarily as a pitcher, the position where he has appeared in the most games.
- How tall is Brennan Bernardino and how much does he weigh?
- Brennan Bernardino is listed at 6 feet 4 inches and 180 pounds.
- What number does Brennan Bernardino wear?
- Brennan Bernardino wears number 83, according to MLB's 2026 roster data.
- What was Brennan Bernardino's career ERA?
- Brennan Bernardino finished with a 3.28 career ERA, going 14-11 with 206 strikeouts.
- How many strikeouts did Brennan Bernardino have?
- Brennan Bernardino recorded 206 career strikeouts.