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Player

Mark Leiter Jr.

ATHPBats RThrows RActive
Matchup
Pitcher DNA
Season identity from stored cubes. Open Fingerprint.

Mix

38.6%

Velocity

86.0 mph

Research indexes
Research scores for 2025. Open Metrics for the decompositions. Not a recommendation.

Pitch Predictability

31

Confidence
LOW
Sequences
612
Stability
0.0%

Arsenal Separation

41

Confidence
LOW
Pitches
0
Stability
0.0%

Pitcher Adaptability

14

Confidence
LOW
Pitches
832
Stability
0.0%
  • Pitch Predictability3171 pctl
  • Arsenal Separation4198 pctl
  • Pitcher Adaptability1498 pctl
Season neighbors
Archetype and nearest neighbor for 2025 (Overall). Open Similar. Not a recommendation.

Archetype

curve-heavy / slider-light

Nearest

AJ Smith-Shawver

ERA

4.84

FIP

3.55

WHIP

1.53

K%

24.7%

BB%

7.8%

K-BB%

16.9%

League percentiles
Qualified pitchers, 2025 (50 IP).
  • ERA4.8418 pctl
  • FIP3.5568 pctl
  • WHIP1.536 pctl
  • K%24.7%65 pctl
  • BB%7.8%53 pctl
  • K-BB%16.9%68 pctl
Season-over-season
ERA vs FIP across seasons.
Season line
Innings from outs; FIP uses strikeouts, walks, HBP, and home runs.
YearGIPSOBBERAFIP
20263633.238114.282.95
20255948.154174.843.55
20246058.086224.503.29
20236964.177243.503.77
20223567.273253.994.29
20182023.122127.716.97
20172790.284314.965.14