What is the Bias Score and how is it calculated?

The Bias Score compares a team's win rate under a specific referee to their baseline win rate (45%). A negative score suggests the team performs worse than average under that referee.

What sample size is considered reliable?

We recommend at least 5 games for initial patterns and 10+ games for high confidence.

← Back to Home•View All Teams for M Salisbury →•View All Referees for Sheffield United →

🧑‍⚖️ Referee Analysis⚠️ BIAS DETECTED

M SalisburyvsSheffield United

Analysis based on 8 matches since 2000

* Note: Detailed card statistics for matches before 2005 may be incomplete.

Wins

Draws

Losses

When M Salisbury officiates Sheffield United matches, the statistics reveal a severe negative pattern. Based on 8 matches spanning multiple seasons, our comprehensive analysis shows Sheffield United achieves a 12.5% win rate under M Salisbury, compared to the 45% baseline expected for teams at this level. This negative 32.5 percentage point difference suggests a meaningful pattern worth examining. The data includes detailed card statistics, match outcomes, and historical trends to provide football fans, bettors, and analysts with evidence-based insights into this referee-team dynamic.

🚨STRONG BIAS DETECTED

🚨 STRONG BIAS DETECTED

This referee has a significantly negative history with this team. Win rate is severely below average.

Bias Score

-32.5%

Matches Analyzed

⚠️

Notable Negative Pattern

With a bias score of -32.5%, this ranks among the more significant negative patterns in our database. Over 8 matches, Sheffield United has won 33 percentage points fewer games than expected. For bettors and fantasy managers, this historical trend suggests extra caution when M Salisbury is appointed.

The Bias Meter™

Bias Level-32.5%

Bias AgainstNeutralFavorable

Match History

8 matches under this referee

Date	Opponent	Score	Result	Cards	Division
1 Nov 2025	Derby(H)	1 - 3	LOSS	🟨 2	Championship
24 Apr 2024	Man United(A)	2 - 4	LOSS	🟨 1	Premier League
21 Jan 2024	West Ham(H)	2 - 2	DRAW	🟨 3🟥 1	Premier League
10 Apr 2023	Burnley(A)	0 - 2	LOSS	🟨 3🟥 1	Championship
14 Jan 2023	Stoke(H)	3 - 1	WIN	🟨 2	Championship
26 Feb 2022	Millwall(A)	0 - 1	LOSS	🟨 4	Championship
20 Nov 2021	Coventry(H)	0 - 0	DRAW	🟨 3	Championship
21 Aug 2021	Huddersfield(H)	1 - 2	LOSS	—	Championship

Frequently Asked Questions

Detailed Statistics

Win Rate (Under Ref)12.5%

Baseline Win Rate45%

Bias Score-32.5%

Cards for Sheffield United

🟨 Yellows / Game2.25

🟥 Reds / Game0.25

Cards for Opponents

🟨 Opp Yellows / Game1.25

🟥 Opp Reds / Game0.13

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Betting Outlook

TIPSTER INSIGHT

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RED CARD RISK

Red card frequency: 0.25 per game

Higher than average dismissal rate in this matchup.

⚠️ This is statistical analysis, not betting advice. Gamble responsibly.

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