Jair Antonio Maruffo

Jair Antonio Maruffo, USA

CONFIDENCEB

SAMPLE13matches

CORE COVERAGE100%

WINDOW2026-10-25

REFEREE DNA · 7 DIMENSIONSreferee-dna-v0.1-research

Foul calling9

Fouls called per match relative to referee peers.

Discipline intensity2

Card points per match, with yellow = 1 and red = 3.

Red-card tendency24

Observed red cards per match relative to peers.

Card escalation2

Card points per 20 co-observed fouls.

Late discipline35

Share of observed cards shown from minute 75 onward.

Home-card differential54

Home minus away card points per match. This is an observed differential, not a bias label.

Discipline volatility24

Match-to-match variability in total card points.

EVIDENCE & INTERPRETATIONwhat the profile can and cannot say

Observed cards

27 card events across 13 observed matches; 1 red-card events.

Observed fouls

270 total fouls across 13 matches with complete foul statistics.

Home-card differential

A signed disciplinary difference only. It does not establish intent, favoritism or referee bias.

Peer context

Percentiles compare this referee only with eligible referees in Major League Soccer 2026.

LINEAGEreferee-specific immutable evidence manifest

MODEL: referee-dna-v0.1-research
WINDOW END: 2026-10-25
MANIFEST: referee-source-manifest-v0.1
SOURCE SHA-256: 9839e4e7c30e6f8449375ed6215d9a1b7c86c16d0abfe911372b9a24c5b5650a