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Klein falls into the Developing category, where steadiness hasn’t fully locked in. Younger players show this as they refine their approach and physical tools. The data can point you in the right direction, but it comes with a wider margin of error.
John Klein has a Developing profile, meaning his cycle-performance connection is emerging but hasn’t fully stabilized. This most often applies to younger players who are still maturing physically or establishing consistent routines. The ratings can be useful, but carry more volatility, especially with the narrow amount of games played.
| Level | G | W | L | SV | IP | H | R | ER | HR | BB | K | K/9IP | ERA | WHIP | BAA | Game Rating +/- |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Good | 1 | 0 | 0 | 0 | 2.0 | 1 | 0 | 0 | 0 | 3 | 1 | 4.5 | 0.00 | 2.00 | 0.167 | N/A |
| Fair | 2 | 0 | 1 | 0 | 5.1 | 4 | 4 | 2 | 1 | 3 | 6 | 10.1 | 3.37 | 1.31 | 0.211 | N/A |
| Suboptimal | 1 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | 0.00 | 0.00 | 0.000 | N/A |
| Season | G | W | L | SV | IP | H | R | ER | HR | BB | K | K/9IP | ERA | WHIP | BAA | Game Rating x̄ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 4 | 0 | 1 | 0 | 8.1 | 5 | 4 | 2 | 1 | 6 | 7 | 7.6 | 2.16 | 1.32 | 0.179 | 3.76 |
|
Date
|
Opponent | Decision | IP | H | R | ER | HR | BB | K |
Composite
Score |
Output
Level |
TriSync
Projection |
Game
Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 26, 2026 | CIN | 4.0 | 2 | 2 | 0 | 0 | 2 | 5 | Fair | 5.26 |
With a Developing profile, John Klein’s metrics don’t yet consistently match his cycle indicators. He’s still in the span of growth where patterns are forming. The ratings have limited value, especially with a narrow amount of games played, expect some instability.