Jhonathan Diaz
Pitcher · Career Stats, Bio & Records (2021-2026)
Jhonathan Diaz is a pitcher who has played in Major League Baseball since 2021 for the Los Angeles Angels of Anaheim and the Seattle Mariners, a span of 6 seasons. Across 18 career appearances, he has gone 2-2 with a 4.72 ERA and 34 strikeouts.
- 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
- 6'0" / 170 lb
- MLB Debut
- 2021-09-17
- Jersey
- #74
Full name: Jhonathan Alexander Diaz
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | LAA | AL | 1 | 0 | 3 | 2 | 0 | 0 | 0 | 13.0 | 11 | 6 | 7 | 9 | 4.15 | 4.27 (+3%) | -119.0 |
| 2022 | LAA | AL | 1 | 1 | 4 | 3 | 0 | 0 | 0 | 15.1 | 13 | 5 | 10 | 11 | 2.93 | 3.97 (+26%) | -196.9 |
| 2023 | LAA | AL | 0 | 0 | 4 | 1 | 0 | 0 | 0 | 7.0 | 13 | 8 | 7 | 4 | 10.29 | — | 0.0 |
| 2024 | SEA | AL | 0 | 1 | 5 | 1 | 0 | 0 | 0 | 9.2 | 14 | 5 | 3 | 8 | 4.66 | 4.08 (-14%) | 0.0 |
| 2025 | SEA | AL | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1.1 | 1 | 0 | 0 | 1 | 0.00 | — | 0.0 |
| 2026 | SEA | AL | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1.1 | 2 | 1 | 0 | 1 | 6.75 | — | - |
| Career · 6 seasons | 2 | 2 | 18 | 7 | 0 | 0 | 0 | 47.2 | 54 | 25 | 27 | 34 | 4.72 | — | -316 | ||
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | LAA | AL | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2022 | LAA | AL | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2023 | LAA | AL | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2024 | SEA | AL | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2025 | SEA | AL | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| Career · 5 seasons | 17 | 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 (34 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 10 | 0 | 0 | 0 | 0 | 0 | — |
| Away | 7 | 0 | 0 | 0 | 0 | 0 | — |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 10 | 27.1 | 36 | 18 | 17 | 18 | 5.93 |
| Away | 7 | 19.0 | 16 | 6 | 10 | 15 | 2.84 |
Last 10 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-04-01 | SEA | DET | — | 1.1 | 1 | 0 | 0 | 0 | 1 | 0 |
| 2024-09-17 | SEA | NYY | — | 2.1 | 1 | 0 | 0 | 1 | 1 | 0 |
| 2024-09-04 | SEA | OAK | — | 1.0 | 0 | 0 | 0 | 0 | 2 | 0 |
| 2024-08-02 | SEA | PHI | — | 1.0 | 3 | 2 | 2 | 1 | 1 | 0 |
| 2024-07-31 | SEA | BOS | L | 0.0 | 1 | 1 | 0 | 0 | 0 | 0 |
| 2024-06-11 | SEA | CHW | — | 5.1 | 9 | 3 | 3 | 1 | 4 | 2 |
| 2023-09-22 | LAA | MIN | — | 2.0 | 2 | 4 | 1 | 3 | 1 | 0 |
| 2023-09-15 | LAA | DET | — | 0.1 | 7 | 7 | 7 | 2 | 0 | 0 |
| 2023-09-12 | LAA | SEA | — | 3.0 | 2 | 0 | 0 | 1 | 3 | 0 |
| 2023-09-07 | LAA | CLE | — | 1.2 | 2 | 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 | 17 |
Jhonathan Diaz: the record in brief
Active since a debut on September 17, 2021, Jhonathan Diaz has a record on this page that is still being added to. Diaz played for the Los Angeles Angels of Anaheim (2021 to 2023) and the Seattle Mariners (2024 to 2025). Diaz is listed as a pitcher at 6'0" and 170 pounds. The bio says Diaz both batted and threw left-handed. Diaz was born on September 13, 1996, in Valencia, Carabobo, Venezuela. The given name on file is Jhonathan Alexander Diaz.
Diaz has pitched in 18 games, starting 7, and owns a 2-2 record and 4.72 ERA. The same table counts 34 strikeouts. Against a 4.16 league ERA for the same seasons, the 4.72 mark was 13.4% worse. 2022 was Diaz's sharpest full season, a 2.93 ERA against the league's 3.97.
Diaz appears at one position only: pitcher, in 17 games. On the mound, Diaz's fielding totals are 4 putouts, 5 assists and 0 errors.
Diaz's game-by-game log, linked below the splits, holds 34 games from Retrosheet.
Frequently Asked Questions about Jhonathan Diaz
- What years did Jhonathan Diaz play?
- Jhonathan Diaz played in Major League Baseball from 2021 to 2026.
- Was Jhonathan Diaz a pitcher?
- Yes. Jhonathan Diaz pitched in the major leagues, recording 2 wins and 34 strikeouts.
- What teams has Jhonathan Diaz played for?
- Jhonathan Diaz has played for 2 teams: the Los Angeles Angels of Anaheim (2021–2023) and the Seattle Mariners (2024–2026).
- What are Jhonathan Diaz's career stats?
- In 18 games, Jhonathan Diaz has gone 2-2 with a 4.72 ERA, 34 strikeouts, and 47.2 innings pitched.
- What position does Jhonathan Diaz play?
- Jhonathan Diaz plays primarily as a pitcher, the position where he has appeared in the most games.
- How tall is Jhonathan Diaz and how much does he weigh?
- Jhonathan Diaz is listed at 6 feet and 170 pounds.
- What number does Jhonathan Diaz wear?
- Jhonathan Diaz wears number 74, according to MLB's 2026 roster data.
- What was Jhonathan Diaz's career ERA?
- Jhonathan Diaz finished with a 4.72 career ERA, going 2-2 with 34 strikeouts.
- How many strikeouts did Jhonathan Diaz have?
- Jhonathan Diaz recorded 34 career strikeouts.