Shun Yamaguchi
Pitcher · Career Stats, Bio & Records (2020)
Shun Yamaguchi was a pitcher who played in Major League Baseball in 2020 for the Toronto Blue Jays. Across 17 career appearances, he went 2-4 with a 8.06 ERA and 26 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
- R / R
- Height / Weight
- 6'2" / 225 lb
- MLB Debut
- 2020-07-26
- Last Game
- 2020-09-27
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | TOR | AL | 2 | 4 | 17 | 0 | 0 | 0 | 0 | 25.2 | 28 | 23 | 17 | 26 | 8.06 | 4.45 (-81%) | -1265.3 |
| Career · 1 season | 2 | 4 | 17 | 0 | 0 | 0 | 0 | 25.2 | 28 | 23 | 17 | 26 | 8.06 | — | -1,265 | ||
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | TOR | AL | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| Career · 1 season | 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 | 8 | 0 | 0 | 0 | 0 | 0 | — |
| Away | 9 | 0 | 0 | 0 | 0 | 0 | — |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 8 | 14.1 | 13 | 9 | 6 | 14 | 5.65 |
| Away | 9 | 11.1 | 15 | 14 | 11 | 12 | 11.12 |
Last 10 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 2020-09-27 | TOR | BAL | L | 2.0 | 4 | 3 | 3 | 1 | 0 | 0 |
| 2020-09-25 | TOR | BAL | — | 0.2 | 4 | 4 | 4 | 0 | 0 | 3 |
| 2020-09-21 | TOR | NYY | — | 0.1 | 0 | 0 | 0 | 0 | 1 | 0 |
| 2020-09-20 | TOR | PHI | — | 0.2 | 0 | 0 | 0 | 2 | 2 | 0 |
| 2020-09-18 | TOR | PHI | — | 0.1 | 0 | 0 | 0 | 1 | 0 | 0 |
| 2020-09-15 | TOR | NYY | — | 1.1 | 2 | 7 | 7 | 4 | 2 | 0 |
| 2020-09-08 | TOR | NYY | W | 2.0 | 3 | 1 | 1 | 1 | 3 | 0 |
| 2020-09-05 | TOR | BOS | — | 3.0 | 4 | 1 | 1 | 0 | 1 | 1 |
| 2020-09-01 | TOR | MIA | L | 2.2 | 3 | 1 | 1 | 0 | 3 | 1 |
| 2020-08-26 | TOR | BOS | W | 4.0 | 2 | 1 | 1 | 2 | 2 | 1 |
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 17 |
Shun Yamaguchi: the record in brief
The profile opens with Shun Yamaguchi's first major league game on July 26, 2020; the last one listed came on September 27, 2020. Every season row on the page belongs to the Toronto Blue Jays, in 2020. Yamaguchi, born on July 11, 1987, in Nakatsu, Oita, Japan, is listed as a pitcher and threw and hit right-handed. Yamaguchi's listed size is 6 feet, 2 inches and 225 pounds.
Yamaguchi's career pitching line is 2 wins, 4 losses and a 8.06 ERA over 17 appearances. The same table counts 26 strikeouts. The league ERA over Yamaguchi's seasons was 4.45, so the 8.06 figure ran 81.1% worse than average. All of that pitching came in 2020, with 17 games and 26 strikeouts.
The position breakdown shows 17 games, all at pitcher. The fielding table credits Yamaguchi with 1 putouts, 3 assists and 0 errors on the mound.
Retrosheet box scores cover 34 of Yamaguchi's games, and the full game log is linked from the splits section.
Frequently Asked Questions about Shun Yamaguchi
- Was Shun Yamaguchi a pitcher?
- Yes. Shun Yamaguchi pitched in the major leagues, recording 2 wins and 26 strikeouts.
- What teams did Shun Yamaguchi play for?
- Shun Yamaguchi played for one team, the Toronto Blue Jays (2020).
- What were Shun Yamaguchi's career stats?
- In 17 games, Shun Yamaguchi went 2-4 with a 8.06 ERA, 26 strikeouts, and 25.2 innings pitched.
- What position did Shun Yamaguchi play?
- Shun Yamaguchi played primarily as a pitcher, the position where he appeared in the most games.
- How tall was Shun Yamaguchi and how much did he weigh?
- Shun Yamaguchi was listed at 6 feet 2 inches and 225 pounds.
- What was Shun Yamaguchi's career ERA?
- Shun Yamaguchi finished with a 8.06 career ERA, going 2-4 with 26 strikeouts.
- How many strikeouts did Shun Yamaguchi have?
- Shun Yamaguchi recorded 26 career strikeouts.
- Is Shun Yamaguchi in the Hall of Fame?
- No. Shun Yamaguchi has not been inducted into the National Baseball Hall of Fame.