John Klein #65
Toronto Blue Jays
- P
- B/T: R/R
- 6' 5"/225
- Age: 24
- John Joseph Klein
- Status: Active
- Born: 4/22/2002 in Brooklyn Park, MN
- College: Iowa Central CC
- MLB Debut: 5/02/2026
2026 Stats
| G | W-L | ERA | IP | SO | WHIP |
|---|---|---|---|---|---|
| 32 | 2-4 | 6.36 | 86.1 | 95 | 1.64 |
2026 Stats
| G | W-L | ERA | IP | SO | WHIP |
|---|---|---|---|---|---|
| 4 | 0-1 | 2.16 | 8.1 | 7 | 1.32 |
MiLB Career Stats
| G | W-L | ERA | IP | SO | WHIP |
|---|---|---|---|---|---|
| 100 | 19-21 | 4.74 | 353.1 | 376 | 1.40 |
MLB Career Stats
| G | W-L | ERA | IP | SO | WHIP |
|---|---|---|---|---|---|
| 4 | 0-1 | 2.16 | 8.1 | 7 | 1.32 |
| Year | W | L | ERA | G | GS | SV | IP | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|
| 2026 MiLB Stats | 2 | 4 | 6.36 | 32 | 19 | 0 | 86.1 | 95 | 1.64 |
| 2026 MLB Stats | 0 | 1 | 2.16 | 4 | 0 | 0 | 8.1 | 7 | 1.32 |
| MiLB Career Stats | 19 | 21 | 4.74 | 100 | 67 | 0 | 353.1 | 376 | 1.40 |
| MLB Career Stats | 0 | 1 | 2.16 | 4 | 0 | 0 | 8.1 | 7 | 1.32 |
- Next Game:
Splits
| Duration | W | L | ERA | G | GS | SV | IP | H | ER | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Last 7 Games | 0 | 1 | 4.15 | 3 | 0 | 0 | 4.1 | 3 | 2 | 4 | 2 | 1.62 |
| Last 15 Games | - | - | --- | - | - | - | --- | - | - | - | - | --- |
| Last 30 Games | - | - | --- | - | - | - | --- | - | - | - | - | --- |
| Last 3 Games | W | L | SV | IP | H | ER | BB | SO |
|---|---|---|---|---|---|---|---|---|
| 9/26 vs CIN | 0 | 0 | 0 | 4.0 | 2 | 0 | 2 | 5 |
| 5/30 @ PIT | 0 | 0 | 0 | 2.0 | 1 | 0 | 3 | 1 |
| 5/7 @ WSH | 0 | 1 | 0 | 1.1 | 2 | 2 | 1 | 1 |
2026 :
RP
(4)
More John Klein
John Klein fans his sixth batter
John Klein strikes out his eighth batter
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John Klein strikes out six batters
Klein’s Complete Game Seals Doubleheader Sweep, Extends Win Streak to Seven
Latest Transactions
| Team | Date | Transaction |
|---|---|---|
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September 25, 2026 | Toronto Blue Jays recalled RHP John Klein from Buffalo Bisons. |
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August 5, 2026 | Buffalo Bisons activated RHP John Klein. |
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August 3, 2026 | RHP John Klein assigned to Buffalo Bisons. |
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August 3, 2026 | Toronto Blue Jays traded RHP Jeff Hoffman and Other Considerations to Minnesota Twins for LHP Dasan Hill, 2B Dameury Pena, RHP John Klein and Other Considerations. |
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May 31, 2026 | Minnesota Twins optioned RHP John Klein to St. Paul Saints. |
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May 30, 2026 | Minnesota Twins recalled RHP John Klein from St. Paul Saints. |
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May 8, 2026 | Minnesota Twins optioned RHP John Klein to St. Paul Saints. |
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May 2, 2026 | Minnesota Twins recalled RHP John Klein from St. Paul Saints. |
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March 9, 2026 | Minnesota Twins optioned RHP John Klein to St. Paul Saints. |
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March 5, 2026 | RHP John Klein assigned to Minnesota Twins Prospects. |
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November 18, 2025 | Minnesota Twins selected the contract of RHP John Klein from St. Paul Saints. |
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September 30, 2025 | St. Paul Saints activated RHP John Klein. |
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September 18, 2025 | St. Paul Saints transferred RHP John Klein to the Development List. |
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August 13, 2025 | St. Paul Saints transferred RHP John Klein to the Development List. |
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August 4, 2025 | RHP John Klein assigned to St. Paul Saints from Wichita Wind Surge. |
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March 29, 2025 | RHP John Klein assigned to Wichita Wind Surge from Cedar Rapids Kernels. |
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September 7, 2023 | RHP John Klein assigned to Cedar Rapids Kernels from Fort Myers Mighty Mussels. |
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August 7, 2023 | RHP John Klein assigned to Fort Myers Mighty Mussels from FCL Twins. |
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July 31, 2023 | RHP John Klein assigned to FCL Twins from Fort Myers Mighty Mussels. |
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July 29, 2023 | RHP John Klein assigned to Fort Myers Mighty Mussels from FCL Twins. |
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July 13, 2023 | FCL Twins activated RHP John Klein. |
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July 13, 2023 | RHP John Klein assigned to FCL Twins from Fort Myers Mighty Mussels. |
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July 7, 2023 | Fort Myers Mighty Mussels activated RHP John Klein. |
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July 7, 2023 | RHP John Klein assigned to Fort Myers Mighty Mussels from FCL Twins. |
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August 8, 2022 | RHP John Klein assigned to FCL Twins. |
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August 8, 2022 | Minnesota Twins signed free agent RHP John Klein to a minor league contract. |
+ Show More Transactions
Awards
FSL Pitcher of the Week
| Week | ||
|---|---|---|
| 08/20/2023 | Fort Myers Mighty Mussels | FSL |