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Player

Aroldis Chapman

BOSPBats LThrows LActive
Matchup
Pitcher DNA
Season identity from stored cubes. Open Fingerprint.

Mix

37.1%

Velocity

94.4 mph

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

Pitch Shape

45

Confidence
HIGH
Pitches
831
Stability
70.4%

Command

29

Confidence
HIGH
Pitches
829
Stability
70.1%

Deception

67

Confidence
MED
Pitches
831
Stability
32.4%

Execution

47

Confidence
MED
Pitches
829
Stability
33.3%

Arsenal Synergy

30

Confidence
HIGH
Pitches
831
Stability
73.9%

Mechanical Consistency

49

Confidence
HIGH
Pitches
831
Stability
78.9%

Pitch Predictability

22

Confidence
HIGH
Sequences
621
Stability
65.4%

Arsenal Separation

21

Confidence
HIGH
Pitches
831
Stability
68.5%

Pitcher Adaptability

10

Confidence
MED
Pitches
831
Stability
0.0%
  • Pitch Shape4589 pctl
  • Command2990 pctl
  • Deception6785 pctl
  • Execution4795 pctl
  • Arsenal Synergy3056 pctl
  • Mechanical Consistency4934 pctl
  • Pitch Predictability2247 pctl
  • Arsenal Separation2129 pctl
  • Pitcher Adaptability1082 pctl
Season neighbors
Archetype and nearest neighbor for 2026 (Overall). Open Similar. Not a recommendation.

Archetype

fastball-heavy / high-carry

Nearest

Jefry Yan

ERA

1.95

FIP

2.60

WHIP

1.14

K%

32.4%

BB%

11.0%

K-BB%

21.4%

League percentiles
Qualified pitchers, 2026 (50 IP).
  • ERA1.9596 pctl
  • FIP2.6093 pctl
  • WHIP1.1472 pctl
  • K%32.4%97 pctl
  • BB%11.0%17 pctl
  • K-BB%21.4%90 pctl
Season-over-season
ERA vs FIP across seasons.
Season line
Innings from outs; FIP uses strikeouts, walks, HBP, and home runs.
YearGIPSOBBERAFIP
20265250.268231.952.60
20256761.185151.171.73
20246861.298393.793.04
20236158.1103363.092.52
20224336.143284.464.57
20216156.197383.363.99
20201311.22243.092.93
20196057.085252.212.28
20185551.193302.452.09
20175250.169203.222.56
20165958.090181.551.42
20156566.1116331.631.94