Juan Then

Pitcher · Career Stats, Bio & Records (2023)

Juan Then was a pitcher who played in Major League Baseball in 2023 for the Seattle Mariners. Across 9 career appearances, he went 0-0 with a 4.91 ERA and 5 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 0–0
ERA 4.91
WHIP 1.45
SO 5
Pitcher PIV -578.9
Position
Pitcher
Bats / Throws
R / R
Height / Weight
6'1" / 200 lb
Born
2/7/2000 in San Francisco de Macoris, San Pedro de Macorís, D.R.
MLB Debut
2023-05-06
Last Game
2023-05-29

Full name: Juan Manuel Then

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Career Pitching Statistics

Juan Then — Career Pitching Statistics
W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
0 0 9 0 0 0 0 11.0 14 6 3 2 5 4.91 -578.9

Career ERA 4.91 vs. league average 4.33 across their career seasons — 13.3% worse than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Juan Then — Season-by-Season Pitching
Year Team Lg W L G GS CG SHO SV IP H ER BB SO ERA Lg ERA Pitcher PIV
2023 SEA AL 0 0 9 0 0 0 0 11.0 14 6 2 5 4.91 4.33 (-13%) -578.9
Career · 1 season 0 0 9 0 0 0 0 11.0 14 6 2 5 4.91 — -579

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

Juan Then — Career Batting Statistics
G AB R H 2B 3B HR RBI SB BB SO AVG OBP SLG OPS PIV
9 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000 0

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Juan Then — Season-by-Season Batting
Year Team Lg G AB R H 2B 3B HR RBI SB BB SO AVG Lg AVG Lg OBP Lg SLG Lg OPS PIV
2023 SEA AL 9 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
Career · 1 season 9 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 (18 games) →

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

Batting — Home / Away

Juan Then — Batting — Home / Away
SplitGABRHHRRBIAVG
Home600000—
Away300000—

Pitching — Home / Away

Juan Then — Pitching — Home / Away
SplitGIPHERBBSOERA
Home68.0105135.62
Away33.041123.00

Last 9 Games — Pitching

Juan Then — Last 9 Games — Pitching
DateTmOppDecIPHRERBBSOHR
2023-05-29 SEANYY — 2.1411011
2023-05-26 SEAPIT — 1.1322002
2023-05-22 SEAOAK — 1.1122100
2023-05-21 SEAATL — 0.1000010
2023-05-16 SEABOS — 1.1311010
2023-05-14 SEADET — 1.1100100
2023-05-10 SEATEX — 1.0100000
2023-05-09 SEATEX — 1.0100020
2023-05-06 SEAHOU — 1.0000000

Fielding Statistics

Career Fielding Totals by Position

Juan Then — Career Fielding Totals by Position
Position G GS PO A E DP
P 9 0 2 1 0 0

Season-by-Season Fielding

Juan Then — Season-by-Season Fielding
Year Team Pos G GS PO A E DP
2023 SEA P 9 0 2 1 0 0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Juan Then — Career Games by Position
Position Games
Pitcher 9

Frequently Asked Questions about Juan Then

Was Juan Then a pitcher?
Yes. Juan Then pitched in the major leagues, recording 0 wins and 5 strikeouts.
What was Juan Then's career ERA?
Juan Then finished with a 4.91 career ERA, going 0-0 with 5 strikeouts.
How many strikeouts did Juan Then have?
Juan Then recorded 5 career strikeouts.
Is Juan Then in the Hall of Fame?
No. Juan Then has not been inducted into the National Baseball Hall of Fame.
What teams did Juan Then play for?
Juan Then played for the Seattle Mariners.