John Klein
Toronto Blue JaysP
Age: 24
Bats/Throws: R/R
6'5" / 225
DOB: 4/22/2002
(24 years, 6 months, 15 days)
P
| Season | 2026 | 2027 | Total |
| Team | - - - | FGDC | - - - |
| Level | MLB | PROJ | MLB |
| G | 4 | 16 | 4 |
| GS | 0 | 0 | 0 |
| IP | 8.1 | 16.0 | 8.1 |
| K% | 20.0% | 21.8% | 20.0% |
| BB% | 17.1% | 9.0% | 17.1% |
| GB% | 40.9% | 40.9% | |
| ERA | 2.16 | 4.20 | 2.16 |
| FIP | 5.14 | 4.27 | 5.14 |
| WAR | -0.1 | 0.0 | -0.1 |
2026 Pitch
Selection
Selection
FA:46%
CH:27%
CU:11%
FC:9%
SL:7%
RosterResource
| How Acquired: | Trade (MIN) Aug'26 |
| Birthplace: | USA |
Service Time
0.000MiLB Options
2
News
Rotowire: The Blue Jays recalled Klein from Triple-A Buffalo on Friday. (9/25/2026)
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| Season | Handedness | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | vs L | 4.0 | - - - | 19 | 3 | 1 | 1 | 3 | 1 | 1 | 5 | 0 | 0 | 3 | .231 | .421 | .692 | .442 |
| 2026 | vs R | 4.1 | - - - | 16 | 2 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 4 | .133 | .188 | .133 | .155 |
| Season | Home / Away | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Home | 5.0 | 0.00 | 19 | 2 | 0 | 1 | 2 | 0 | 0 | 2 | 0 | 0 | 5 | .118 | .211 | .235 | .204 |
| 2026 | Away | 3.1 | 5.40 | 16 | 3 | 1 | 0 | 2 | 2 | 1 | 4 | 0 | 0 | 2 | .273 | .438 | .636 | .437 |
| 2026 | Home vs L | 2.0 | - - - | 9 | 1 | 0 | 1 | 2 | 0 | 0 | 2 | 0 | 0 | 2 | .143 | .333 | .429 | .332 |
| 2026 | Home vs R | 3.0 | - - - | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | .100 | .100 | .100 | .089 |
| 2026 | Away vs L | 2.0 | - - - | 10 | 2 | 1 | 0 | 1 | 1 | 1 | 3 | 0 | 0 | 1 | .333 | .500 | 1.000 | .541 |
| 2026 | Away vs R | 1.1 | - - - | 6 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | .200 | .333 | .200 | .265 |
| Season | Monthly | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | May | 4.1 | 4.15 | 19 | 3 | 1 | 0 | 2 | 2 | 1 | 4 | 0 | 0 | 2 | .214 | .368 | .500 | .368 |
| 2026 | Sept/Oct | 4.0 | 0.00 | 16 | 2 | 0 | 1 | 2 | 0 | 0 | 2 | 0 | 0 | 5 | .143 | .250 | .286 | .243 |
| 2026 | 1st Half | 4.1 | 4.15 | 19 | 3 | 1 | 0 | 2 | 2 | 1 | 4 | 0 | 0 | 2 | .214 | .368 | .500 | .368 |
| 2026 | 2nd Half | 4.0 | 0.00 | 16 | 2 | 0 | 1 | 2 | 0 | 0 | 2 | 0 | 0 | 5 | .143 | .250 | .286 | .243 |
| Season | Leverage | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Low Leverage | 6.2 | - - - | 26 | 2 | 1 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 6 | .091 | .231 | .136 | .190 |
| 2026 | Medium Leverage | 1.2 | - - - | 9 | 3 | 0 | 1 | 4 | 2 | 1 | 2 | 0 | 0 | 1 | .500 | .556 | 1.333 | .659 |
| Season | Situational | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Bases Empty | 4.2 | - - - | 21 | 3 | 1 | 0 | 1 | 1 | 1 | 4 | 0 | 0 | 4 | .176 | .333 | .412 | .333 |
| 2026 | Men on Base | 3.2 | - - - | 14 | 2 | 0 | 1 | 3 | 1 | 0 | 2 | 0 | 0 | 3 | .182 | .286 | .364 | .277 |
| 2026 | Men In Scoring | 2.0 | - - - | 10 | 2 | 0 | 1 | 3 | 1 | 0 | 2 | 0 | 0 | 1 | .286 | .400 | .571 | .388 |
| Season | Through Count | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Through 3 - 0 | 0.1 | - - - | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | .000 | .500 | .000 | .349 |
| 2026 | Through 3 - 1 | 0.1 | - - - | 3 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | .500 | .667 | 2.000 | .916 |
| 2026 | Through 3 - 2 | 0.0 | - - - | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | .000 | 1.000 | .000 | .698 |
| 2026 | Through 2 - 0 | 1.1 | - - - | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 2 | .000 | .429 | .000 | .299 |
| 2026 | Through 1 - 0 | 2.2 | - - - | 15 | 3 | 1 | 0 | 2 | 2 | 1 | 4 | 0 | 0 | 2 | .273 | .467 | .636 | .466 |
| 2026 | Through 2 - 1 | 1.1 | - - - | 7 | 1 | 0 | 0 | 1 | 1 | 1 | 2 | 0 | 0 | 1 | .200 | .429 | .800 | .492 |
| 2026 | Through 1 - 1 | 3.0 | - - - | 14 | 3 | 1 | 0 | 2 | 2 | 1 | 3 | 0 | 0 | 4 | .273 | .429 | .636 | .450 |
| 2026 | Through 0 - 1 | 4.1 | - - - | 17 | 2 | 0 | 1 | 2 | 0 | 0 | 2 | 0 | 0 | 5 | .133 | .235 | .267 | .228 |
| 2026 | Through 2 - 2 | 1.0 | - - - | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 2 | .000 | .571 | .000 | .399 |
| 2026 | Through 1 - 2 | 3.2 | - - - | 15 | 1 | 1 | 0 | 1 | 1 | 0 | 3 | 0 | 0 | 5 | .083 | .267 | .167 | .224 |
| 2026 | Through 0 - 2 | 2.1 | - - - | 8 | 1 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | .125 | .125 | .375 | .199 |
| Season | SP / RP | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | As Reliever | 8.1 | 2.16 | 35 | 5 | 1 | 1 | 4 | 2 | 1 | 6 | 0 | 0 | 7 | .179 | .314 | .393 | .311 |
| Season | Shifts | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | No Shift | 2.2 | - - - | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .100 | .100 | .100 | .089 |
| 2026 | Shift - All | 2.2 | - - - | 11 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .300 | .273 | .600 | .341 |
| 2026 | Shift - Traditional | 1.2 | - - - | 7 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .286 | .286 | .714 | .408 |
| 2026 | Shift - Non Traditional | 1.0 | - - - | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .333 | .250 | .333 | .223 |
| Season | TTO | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | 1st Through Order as RP | 5.2 | 3.18 | 27 | 5 | 1 | 1 | 4 | 2 | 1 | 6 | 0 | 0 | 4 | .250 | .407 | .550 | .403 |
| 2026 | 2nd Through Order as RP | 2.2 | 0.00 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | .000 | .000 | .000 | .000 |
| Season | Handedness | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | vs L | 4.0 | - - - | 19 | 3 | 1 | 1 | 3 | 1 | 1 | 5 | 0 | 0 | 3 | .231 | .421 | .692 | .442 |
| 2026 | vs R | 4.1 | - - - | 16 | 2 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 4 | .133 | .188 | .133 | .155 |
| Season | Home / Away | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Home | 5.0 | 0.00 | 19 | 2 | 0 | 1 | 2 | 0 | 0 | 2 | 0 | 0 | 5 | .118 | .211 | .235 | .204 |
| 2026 | Away | 3.1 | 5.40 | 16 | 3 | 1 | 0 | 2 | 2 | 1 | 4 | 0 | 0 | 2 | .273 | .438 | .636 | .437 |
| 2026 | Home vs L | 2.0 | - - - | 9 | 1 | 0 | 1 | 2 | 0 | 0 | 2 | 0 | 0 | 2 | .143 | .333 | .429 | .332 |
| 2026 | Home vs R | 3.0 | - - - | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | .100 | .100 | .100 | .089 |
| 2026 | Away vs L | 2.0 | - - - | 10 | 2 | 1 | 0 | 1 | 1 | 1 | 3 | 0 | 0 | 1 | .333 | .500 | 1.000 | .541 |
| 2026 | Away vs R | 1.1 | - - - | 6 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | .200 | .333 | .200 | .265 |
| Season | Monthly | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | May | 4.1 | 4.15 | 19 | 3 | 1 | 0 | 2 | 2 | 1 | 4 | 0 | 0 | 2 | .214 | .368 | .500 | .368 |
| 2026 | Sept/Oct | 4.0 | 0.00 | 16 | 2 | 0 | 1 | 2 | 0 | 0 | 2 | 0 | 0 | 5 | .143 | .250 | .286 | .243 |
| 2026 | 1st Half | 4.1 | 4.15 | 19 | 3 | 1 | 0 | 2 | 2 | 1 | 4 | 0 | 0 | 2 | .214 | .368 | .500 | .368 |
| 2026 | 2nd Half | 4.0 | 0.00 | 16 | 2 | 0 | 1 | 2 | 0 | 0 | 2 | 0 | 0 | 5 | .143 | .250 | .286 | .243 |
| Season | Leverage | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Low Leverage | 6.2 | - - - | 26 | 2 | 1 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 6 | .091 | .231 | .136 | .190 |
| 2026 | Medium Leverage | 1.2 | - - - | 9 | 3 | 0 | 1 | 4 | 2 | 1 | 2 | 0 | 0 | 1 | .500 | .556 | 1.333 | .659 |
| Season | Situational | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Bases Empty | 4.2 | - - - | 21 | 3 | 1 | 0 | 1 | 1 | 1 | 4 | 0 | 0 | 4 | .176 | .333 | .412 | .333 |
| 2026 | Men on Base | 3.2 | - - - | 14 | 2 | 0 | 1 | 3 | 1 | 0 | 2 | 0 | 0 | 3 | .182 | .286 | .364 | .277 |
| 2026 | Men In Scoring | 2.0 | - - - | 10 | 2 | 0 | 1 | 3 | 1 | 0 | 2 | 0 | 0 | 1 | .286 | .400 | .571 | .388 |
| Season | Through Count | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Through 3 - 0 | 0.1 | - - - | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | .000 | .500 | .000 | .349 |
| 2026 | Through 3 - 1 | 0.1 | - - - | 3 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | .500 | .667 | 2.000 | .916 |
| 2026 | Through 3 - 2 | 0.0 | - - - | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | .000 | 1.000 | .000 | .698 |
| 2026 | Through 2 - 0 | 1.1 | - - - | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 2 | .000 | .429 | .000 | .299 |
| 2026 | Through 1 - 0 | 2.2 | - - - | 15 | 3 | 1 | 0 | 2 | 2 | 1 | 4 | 0 | 0 | 2 | .273 | .467 | .636 | .466 |
| 2026 | Through 2 - 1 | 1.1 | - - - | 7 | 1 | 0 | 0 | 1 | 1 | 1 | 2 | 0 | 0 | 1 | .200 | .429 | .800 | .492 |
| 2026 | Through 1 - 1 | 3.0 | - - - | 14 | 3 | 1 | 0 | 2 | 2 | 1 | 3 | 0 | 0 | 4 | .273 | .429 | .636 | .450 |
| 2026 | Through 0 - 1 | 4.1 | - - - | 17 | 2 | 0 | 1 | 2 | 0 | 0 | 2 | 0 | 0 | 5 | .133 | .235 | .267 | .228 |
| 2026 | Through 2 - 2 | 1.0 | - - - | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 2 | .000 | .571 | .000 | .399 |
| 2026 | Through 1 - 2 | 3.2 | - - - | 15 | 1 | 1 | 0 | 1 | 1 | 0 | 3 | 0 | 0 | 5 | .083 | .267 | .167 | .224 |
| 2026 | Through 0 - 2 | 2.1 | - - - | 8 | 1 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | .125 | .125 | .375 | .199 |
| Season | SP / RP | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | As Reliever | 8.1 | 2.16 | 35 | 5 | 1 | 1 | 4 | 2 | 1 | 6 | 0 | 0 | 7 | .179 | .314 | .393 | .311 |
| Season | Shifts | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | No Shift | 2.2 | - - - | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .100 | .100 | .100 | .089 |
| 2026 | Shift - All | 2.2 | - - - | 11 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .300 | .273 | .600 | .341 |
| 2026 | Shift - Traditional | 1.2 | - - - | 7 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .286 | .286 | .714 | .408 |
| 2026 | Shift - Non Traditional | 1.0 | - - - | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .333 | .250 | .333 | .223 |
| Season | TTO | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | 1st Through Order as RP | 5.2 | 3.18 | 27 | 5 | 1 | 1 | 4 | 2 | 1 | 6 | 0 | 0 | 4 | .250 | .407 | .550 | .403 |
| 2026 | 2nd Through Order as RP | 2.2 | 0.00 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | .000 | .000 | .000 | .000 |

