Yennsy Diaz

Pitcher · Career Stats, Bio & Records (2019-2021)

Yennsy Diaz was a pitcher who played in Major League Baseball from 2019 to 2021 for the Toronto Blue Jays and the New York Mets, a span of 3 seasons. Across 21 career appearances, he went 0-2 with a 5.96 ERA and 21 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

W–L 0–2
ERA 5.96
WHIP 1.64
SO 21
Pitcher PIV -865.3
Position
Pitcher
Bats / Throws
R / R
Height / Weight
6'0" / 216 lb
Born
11/15/1996 in Azua, Azua, D.R.
MLB Debut
2019-08-04
Last Game
2021-09-13

Full name: Yennsy Manuel Diaz

Career Pitching Statistics

Yennsy Diaz — Career Pitching Statistics
W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
0 2 21 0 0 0 0 25.2 26 17 5 16 21 5.96 -865.3

Career ERA 5.96 vs. league average 4.39 across their career seasons — 35.9% worse than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

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.

Career Batting Statistics

Yennsy Diaz — Career Batting Statistics
G AB R H 2B 3B HR RBI SB BB SO AVG OBP SLG OPS PIV
21 1 0 0 0 0 0 0 0 0 1 .000 .000 .000 .000 0

Career AVG .000 vs. league average .248 across their career seasons — 100.0% below league average.

Career OBP .000 vs. league average .320 across their career seasons — 100.0% below league average.

Career SLG .000 vs. league average .423 across their career seasons — 100.0% below league average.

Career OPS .000 vs. league average .743 across their career seasons — 100.0% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

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.

Per-game data from Retrosheet (regular season, through 2025).

Batting — Home / Away

Yennsy Diaz — Batting — Home / Away
SplitGABRHHRRBIAVG
Home1310000.000
Away800000—

Pitching — Home / Away

Yennsy Diaz — Pitching — Home / Away
SplitGIPHERBBSOERA
Home1315.2191410158.04
Away810.073662.70

Last 10 Games — Pitching

Yennsy Diaz — Last 10 Games — Pitching
DateTmOppDecIPHRERBBSOHR
2021-09-13 NYNSTL — 1.1544210
2021-09-10 NYNNYY — 1.0111001
2021-09-05 NYNWAS — 1.0000000
2021-08-15 NYNLAD — 1.0233211
2021-08-14 NYNLAD L 1.0110020
2021-08-13 NYNLAD — 1.0000010
2021-08-07 NYNPHI — 2.0211001
2021-08-05 NYNMIA — 0.2000000
2021-08-01 NYNCIN — 1.0100100
2021-07-31 NYNCIN — 1.0000010

Fielding Statistics

Career Fielding Totals by Position

Yennsy Diaz — Career Fielding Totals by Position
Position G GS PO A E DP
P 21 0 1 2 0 0

Season-by-Season Fielding

Career Games by Position

Position Diamond

Circle size = games played at each position.

Yennsy Diaz — Career Games by Position
Position Games
Pitcher 21

Yennsy Diaz: the record in brief

Yennsy Diaz played a first major league game on August 4, 2019 and a last one on September 13, 2021. Diaz played for the Toronto Blue Jays (2019) and the New York Mets (2021). Diaz played primarily as a pitcher and threw and hit right-handed. Born on November 15, 1996, in Azua, Azua, D.R., Diaz was listed at 6 feet, 0 inches and 216 pounds. The given name on file is Yennsy Manuel Diaz.

Diaz's career pitching line is 0 wins, 2 losses and a 5.96 ERA over 21 appearances. Diaz had 21 strikeouts. The league ERA over Diaz's seasons was 4.39, so the 5.96 figure ran 35.9% worse than average. Among the heaviest workloads, the lowest ERA was 5.40 in 2021, when the league's was 4.27.

The position breakdown shows 21 games, all at pitcher. The fielding table credits Diaz with 1 putouts, 2 assists and 0 errors on the mound.

Diaz's game-by-game log, linked below the splits, holds 42 games from Retrosheet.

Frequently Asked Questions about Yennsy Diaz

What years did Yennsy Diaz play?
Yennsy Diaz played in Major League Baseball from 2019 to 2021.
Was Yennsy Diaz a pitcher?
Yes. Yennsy Diaz pitched in the major leagues, recording 0 wins and 21 strikeouts.
How many home runs did Yennsy Diaz hit?
Yennsy Diaz hit 0 career home runs.
What teams did Yennsy Diaz play for?
Yennsy Diaz played for 2 teams: the Toronto Blue Jays (2019) and the New York Mets (2021).
What were Yennsy Diaz's career stats?
In 21 games, Yennsy Diaz went 0-2 with a 5.96 ERA, 21 strikeouts, and 25.2 innings pitched.
What position did Yennsy Diaz play?
Yennsy Diaz played primarily as a pitcher, the position where he appeared in the most games.
How tall was Yennsy Diaz and how much did he weigh?
Yennsy Diaz was listed at 6 feet and 216 pounds.
What was Yennsy Diaz's career ERA?
Yennsy Diaz finished with a 5.96 career ERA, going 0-2 with 21 strikeouts.
How many strikeouts did Yennsy Diaz have?
Yennsy Diaz recorded 21 career strikeouts.
Is Yennsy Diaz in the Hall of Fame?
No. Yennsy Diaz has not been inducted into the National Baseball Hall of Fame.