Player

Christian Koss

SFSSBats RThrows RActive

Season

Matchup

Pitcher DNA

Season identity from stored cubes. Open Fingerprint.

Mix

100.0%

Velocity

49.0 mph

Research indexes

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

Hitter Exploitability

Confidence: HIGH
Pitches: 612
Stability: 71.1%

Approach Consistency

Confidence: MED
Pitches: 612
Stability: 32.9%

Swing Decision Value

Confidence: HIGH
Pitches: 612
Stability: 73.5%

Decision

Confidence: HIGH
Pitches: 612
Stability: 76.6%

Contact

Confidence: HIGH
Swings: 328
Stability: 60.7%

Damage

Confidence: LOW
Batted balls: 175
Stability: 0.0%

Hitter Exploitability4193 pctl
Approach Consistency4235 pctl
Swing Decision Value6413 pctl
Decision657 pctl
Contact7722 pctl
Damage117 pctl

Season neighbors

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

Archetype

chase-vs-mix / high-chase

Nearest

Héctor Rodríguez

ERA

13.50

FIP

3.10

WHIP

2.50

0.0%

BB%

0.0%

K-BB%

0.0%

League percentiles

Qualified pitchers, 2026 (50 IP).

ERA13.500 pctl
FIP3.1085 pctl
WHIP2.500 pctl
K%0.0%0 pctl
BB%0.0%100 pctl
K-BB%0.0%0 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	2	2.0	0	0	13.50	3.10
2025	4	4.0	0	0	0.00	3.14