John Klein Bowman Card Prices & Value
Track Bowman rookie card values for this 24-year-old TOR RHP: raw and PSA 10 graded price trends, recent sales, and market data. Current season: ERA 2.16, WHIP 1.32.
Market data
Price history, recent sales, active listings and parallel pricing for John Klein are part of Premium. Already a member? Sign in.
Stats
| Year | Level | ERA | WHIP | K | IP | W-L | GP | SV | BB |
|---|---|---|---|---|---|---|---|---|---|
| 2026 | AAA | 6.36 | 1.64 | 95 | 86.1 | 2-4 | 32 | 0 | 51 |
| 2026 | MLB | 2.16 | 1.32 | 7 | 8.1 | 0-1 | 4 | 0 | 6 |
| 2025 | AA | 3.12 | 1.17 | 95 | 80.2 | 7-5 | 24 | 0 | 24 |
| 2025 | AAA | 6.66 | 1.52 | 33 | 25.2 | 0-5 | 7 | 0 | 13 |
| 2024 | A+ | 4.57 | 1.40 | 90 | 100.1 | 8-3 | 22 | 0 | 38 |
| 2023 | A | 2.97 | 1.02 | 30 | 30.1 | 2-1 | 6 | 0 | 13 |
| 2023 | A+ | 3.60 | 1.40 | 4 | 5.0 | 0-0 | 1 | 0 | 1 |
| 2023 | ROK | 5.87 | 1.65 | 27 | 23.0 | 0-3 | 6 | 0 | 9 |
John Klein: Common Questions
Does John Klein have a 1st Bowman autograph, and which set is it in?
Not yet. John Klein has no 1st Bowman autograph in circulation right now. When one is printed it becomes the closest thing to a John Klein rookie card.
What are John Klein's position, team, and age?
John Klein is a RHP in the TOR organization, currently 24 years old. This season's line: ERA 2.16, WHIP 1.32.
How is John Klein ranked among MLB prospects?
John Klein is not currently inside our ranked prospect list.
What is John Klein's 1st Bowman auto worth, and where can I track the price?
Raw and PSA 10 sale prices, price history, and the HobbyMonitor value score for John Klein update daily on this page for HobbyMonitor members.