Player

Geoff Hartlieb

ATHPBats RThrows RActive

Season

Matchup

Pitcher DNA

Season identity from stored cubes. Open Fingerprint.

Mix

34.2%

Velocity

90.9 mph

Research indexes

Research scores for 2026. Open Metrics for the decompositions. Not a recommendation.

Pitch Shape

Confidence: HIGH
Pitches: 333
Stability: 89.4%

Command

Confidence: MED
Pitches: 333
Stability: 34.4%

Deception

Confidence: MED
Pitches: 333
Stability: 28.8%

Execution

Confidence: MED
Pitches: 333
Stability: 14.4%

Arsenal Synergy

Confidence: HIGH
Pitches: 333
Stability: 72.4%

Mechanical Consistency

Confidence: HIGH
Pitches: 333
Stability: 87.3%

Pitch Predictability

Confidence: MED
Sequences: 238
Stability: 0.0%

Arsenal Separation

Confidence: MED
Pitches: 333
Stability: 40.0%

Pitcher Adaptability

Confidence: MED
Pitches: 333
Stability: 0.0%

Pitch Shape3047 pctl
Command2750 pctl
Deception6578 pctl
Execution4062 pctl
Arsenal Synergy2949 pctl
Mechanical Consistency4120 pctl
Pitch Predictability96 pctl
Arsenal Separation2233 pctl
Pitcher Adaptability862 pctl

Season neighbors

Archetype and nearest neighbor for 2026 (Overall). Open Similar. Not a recommendation.

Archetype

low-csw / low-whiff

Nearest

Luis Severino

ERA

4.15

FIP

3.93

WHIP

1.52

14.7%

BB%

10.5%

K-BB%

4.2%

League percentiles

Qualified pitchers, 2026 (50 IP).

ERA4.1537 pctl
FIP3.9356 pctl
WHIP1.528 pctl
K%14.7%3 pctl
BB%10.5%22 pctl
K-BB%4.2%1 pctl

Season-over-season

ERA vs FIP across seasons.

Season line

Innings from outs; FIP uses strikeouts, walks, HBP, and home runs.

Year	G	IP	SO	BB	ERA	FIP
2026	13	21.2	14	10	4.15	3.93
2025	4	3.1	5	6	21.60	13.34
2024	5	9.0	7	4	9.00	4.39
2023	2	4.0	3	3	2.25	7.26
2021	7	9.0	9	11	11.00	5.84
2020	21	22.1	19	19	3.63	5.03
2019	29	35.0	38	18	9.00	5.56