Justin Shafer
Pitcher · Career Stats, Bio & Records (2018-2020)
Justin Shafer was a pitcher who played in Major League Baseball from 2018 to 2020 for the Toronto Blue Jays and the Miami Marlins, a span of 3 seasons. Across 45 career appearances, he went 2-1 with a 4.70 ERA and 46 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" / 205 lb
- MLB Debut
- 2018-08-19
- Last Game
- 2020-08-17
Full name: Justin Healy Shafer
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2018 | TOR | AL | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 8.1 | 6 | 3 | 7 | 2 | 3.24 | — | 0.0 |
| 2019 | TOR | AL | 2 | 1 | 34 | 0 | 0 | 0 | 1 | 39.2 | 41 | 17 | 25 | 39 | 3.86 | 4.51 (+14%) | -669.8 |
| 2020 | MIA | NL | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 5.2 | 8 | 8 | 4 | 5 | 12.71 | — | 0.0 |
| Career · 3 seasons | 2 | 1 | 45 | 0 | 0 | 0 | 1 | 53.2 | 55 | 28 | 36 | 46 | 4.70 | — | -670 | ||
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2018 | TOR | AL | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2019 | TOR | AL | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2020 | MIA | NL | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| Career · 3 seasons | 45 | 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 (90 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 20 | 0 | 0 | 0 | 0 | 0 | — |
| Away | 25 | 0 | 0 | 0 | 0 | 0 | — |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 20 | 23.0 | 27 | 17 | 13 | 14 | 6.65 |
| Away | 25 | 30.2 | 28 | 11 | 23 | 32 | 3.23 |
Last 10 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 2020-08-17 | MIA | NYN | — | 1.0 | 3 | 4 | 4 | 1 | 0 | 2 |
| 2020-08-16 | MIA | ATL | — | 0.2 | 2 | 2 | 2 | 0 | 1 | 0 |
| 2020-08-11 | MIA | TOR | — | 1.0 | 1 | 1 | 1 | 2 | 1 | 0 |
| 2020-08-07 | MIA | NYN | — | 2.0 | 1 | 0 | 0 | 0 | 1 | 0 |
| 2020-08-05 | MIA | BAL | — | 1.0 | 1 | 1 | 1 | 1 | 2 | 0 |
| 2019-09-24 | TOR | BAL | — | 1.1 | 0 | 0 | 0 | 2 | 2 | 0 |
| 2019-09-23 | TOR | BAL | — | 1.0 | 1 | 1 | 1 | 0 | 1 | 1 |
| 2019-09-19 | TOR | BAL | — | 1.0 | 0 | 0 | 0 | 0 | 2 | 0 |
| 2019-09-17 | TOR | BAL | — | 0.2 | 2 | 1 | 1 | 1 | 0 | 0 |
| 2019-09-14 | TOR | NYY | — | 1.1 | 4 | 4 | 4 | 0 | 0 | 1 |
Fielding Statistics
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 45 |
Justin Shafer: the record in brief
Justin Shafer's major league career runs from a debut on August 19, 2018 to a final game on August 17, 2020. Shafer played for the Toronto Blue Jays (2018 to 2019) and the Miami Marlins (2020). The bio lists Shafer as a pitcher who batted and threw right-handed. The recorded size is 6 feet, 2 inches and 205 pounds. The birth record reads September 18, 1992, in Lake Wales, FL, USA. The bio lists the given name Justin Healy.
Shafer's career pitching line is 2 wins, 1 loss and a 4.70 ERA over 45 appearances. The same table counts 46 strikeouts. The league ERA over Shafer's seasons was 4.35, so the 4.70 figure ran 8.0% worse than average. 2019 was Shafer's sharpest full season, a 3.86 ERA against the league's 4.51.
The game-log section draws on 90 games of Retrosheet box scores for Shafer.
Every defensive appearance on record for Shafer, 45 games, came at pitcher. The fielding table credits Shafer with 2 putouts, 2 assists and 0 errors on the mound.
Frequently Asked Questions about Justin Shafer
- What years did Justin Shafer play?
- Justin Shafer played in Major League Baseball from 2018 to 2020.
- Was Justin Shafer a pitcher?
- Yes. Justin Shafer pitched in the major leagues, recording 2 wins and 46 strikeouts.
- What teams did Justin Shafer play for?
- Justin Shafer played for 2 teams: the Toronto Blue Jays (2018–2019) and the Miami Marlins (2020).
- What were Justin Shafer's career stats?
- In 45 games, Justin Shafer went 2-1 with a 4.70 ERA, 46 strikeouts, 53.2 innings pitched, and 1 saves.
- What position did Justin Shafer play?
- Justin Shafer played primarily as a pitcher, the position where he appeared in the most games.
- How tall was Justin Shafer and how much did he weigh?
- Justin Shafer was listed at 6 feet 2 inches and 205 pounds.
- What was Justin Shafer's career ERA?
- Justin Shafer finished with a 4.70 career ERA, going 2-1 with 46 strikeouts.
- How many strikeouts did Justin Shafer have?
- Justin Shafer recorded 46 career strikeouts.
- Is Justin Shafer in the Hall of Fame?
- No. Justin Shafer has not been inducted into the National Baseball Hall of Fame.