Dayan Diaz
Pitcher · Career Stats, Bio & Records (2016-2017)
Dayan Diaz was a pitcher who played in Major League Baseball from 2016 to 2017 for the Cincinnati Reds and the Houston Astros, a span of 2 seasons. Across 16 career appearances, he went 1-1 with a 9.15 ERA and 23 strikeouts. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 115.4.
- 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
- R / R
- Height / Weight
- 5'10" / 195 lb
- MLB Debut
- 2016-05-22
- Last Game
- 2017-07-06
Full name: Dayan Enrique 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2016 | CIN | NL | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 6.2 | 10 | 7 | 7 | 3 | 9.45 | — | 0.0 |
| 2017 | HOU | AL | 1 | 1 | 10 | 1 | 0 | 0 | 0 | 13.0 | 17 | 13 | 4 | 20 | 9.00 | 4.36 (-107%) | 115.4 |
| Career · 2 seasons | 1 | 1 | 16 | 1 | 0 | 0 | 0 | 19.2 | 27 | 20 | 11 | 23 | 9.15 | — | 115 | ||
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2016 | CIN | NL | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2017 | HOU | AL | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| Career · 2 seasons | 16 | 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 (32 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 6 | 0 | 0 | 0 | 0 | 0 | — |
| Away | 10 | 0 | 0 | 0 | 0 | 0 | — |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 6 | 7.1 | 5 | 2 | 2 | 9 | 2.45 |
| Away | 10 | 12.1 | 22 | 18 | 9 | 14 | 13.14 |
Last 10 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 2017-07-06 | HOU | TOR | — | 2.0 | 2 | 1 | 1 | 0 | 3 | 1 |
| 2017-07-02 | HOU | NYY | — | 1.0 | 0 | 0 | 0 | 0 | 1 | 0 |
| 2017-07-01 | HOU | NYY | W | 1.0 | 1 | 0 | 0 | 1 | 0 | 0 |
| 2017-06-22 | HOU | OAK | — | 0.1 | 3 | 5 | 5 | 2 | 1 | 0 |
| 2017-06-20 | HOU | OAK | — | 1.0 | 1 | 0 | 0 | 0 | 2 | 0 |
| 2017-06-17 | HOU | BOS | — | 1.0 | 0 | 0 | 0 | 0 | 1 | 0 |
| 2017-06-12 | HOU | TEX | — | 2.0 | 2 | 1 | 1 | 0 | 5 | 1 |
| 2017-06-11 | HOU | LAA | — | 1.1 | 1 | 1 | 1 | 1 | 2 | 0 |
| 2017-06-07 | HOU | KCR | L | 2.2 | 4 | 3 | 3 | 0 | 3 | 1 |
| 2017-05-14 | HOU | NYY | — | 0.2 | 3 | 3 | 2 | 0 | 2 | 0 |
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 16 |
Dayan Diaz: the record in brief
Dayan Diaz's major league career runs from a debut on May 22, 2016 to a final game on July 6, 2017. By club, Diaz's seasons break down as the Cincinnati Reds (2016) and the Houston Astros (2017). Born on February 10, 1989, in Cartagena, Bolívar, Colombia, Diaz is listed as a pitcher and threw and hit right-handed. Size on record: 5'10" and 195 pounds. On the record, Dayan Diaz was born Dayan Enrique Diaz.
The pitching table credits Diaz with a 1-1 record and a 9.15 ERA in 16 games. Diaz had 23 strikeouts. Against a 4.27 league ERA for the same seasons, the 9.15 mark was 114.1% worse. In 2017, one of the busiest seasons, Diaz posted a 9.00 ERA; the league figure that year was 4.36. Pitcher PIV, the site's era-adjusted run-prevention measure, totals 115.4 for Diaz's career.
Retrosheet box scores cover 32 of Diaz's games, and the full game log is linked from the splits section.
Diaz appears at one position only: pitcher, in 16 games. Fielding on the mound produced 1 putouts and 2 assists against 0 errors.
Frequently Asked Questions about Dayan Diaz
- What years did Dayan Diaz play?
- Dayan Diaz played in Major League Baseball from 2016 to 2017.
- Was Dayan Diaz a pitcher?
- Yes. Dayan Diaz pitched in the major leagues, recording 1 wins and 23 strikeouts.
- What teams did Dayan Diaz play for?
- Dayan Diaz played for 2 teams: the Cincinnati Reds (2016) and the Houston Astros (2017).
- What were Dayan Diaz's career stats?
- In 16 games, Dayan Diaz went 1-1 with a 9.15 ERA, 23 strikeouts, and 19.2 innings pitched.
- What position did Dayan Diaz play?
- Dayan Diaz played primarily as a pitcher, the position where he appeared in the most games.
- How tall was Dayan Diaz and how much did he weigh?
- Dayan Diaz was listed at 5 feet 10 inches and 195 pounds.
- What was Dayan Diaz's career ERA?
- Dayan Diaz finished with a 9.15 career ERA, going 1-1 with 23 strikeouts.
- How many strikeouts did Dayan Diaz have?
- Dayan Diaz recorded 23 career strikeouts.
- Is Dayan Diaz in the Hall of Fame?
- No. Dayan Diaz has not been inducted into the National Baseball Hall of Fame.