M RileyvsPortsmouth
Analysis based on 16 matches since 2000
* Note: Detailed card statistics for matches before 2005 may be incomplete.
When M Riley officiates Portsmouth matches, the statistics reveal a severe negative pattern. Based on 16 matches spanning multiple seasons, our comprehensive analysis shows Portsmouth achieves a 18.8% win rate under M Riley, compared to the 45% baseline expected for teams at this level. This negative 26.3 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
This referee has a significantly negative history with this team. Win rate is severely below average.
Notable Negative Pattern
With a bias score of -26.3%, this ranks among the more significant negative patterns in our database. Over 16 matches, Portsmouth has won 26 percentage points fewer games than expected. For bettors and fantasy managers, this historical trend suggests extra caution when M Riley is appointed.
The Bias Meter™
Match History
16 matches under this referee
| Date | Opponent | Score | Result | Cards | Division |
|---|---|---|---|---|---|
| 9 May 2009 | Blackburn(A) | 0 - 2 | LOSS | 🟨 1 | Premier League |
| 27 Apr 2009 | Newcastle(A) | 0 - 0 | DRAW | 🟨 2 | Premier League |
| 18 Oct 2008 | Aston Villa(A) | 0 - 0 | DRAW | 🟨 3🟥 1 | Premier League |
| 27 Apr 2008 | Blackburn(H) | 0 - 1 | LOSS | 🟨 2 | Premier League |
| 22 Dec 2007 | Liverpool(A) | 1 - 4 | LOSS | 🟨 2 | Premier League |
| 8 Dec 2007 | Aston Villa(A) | 3 - 1 | WIN | 🟨 5 | Premier League |
| 15 Sept 2007 | Liverpool(H) | 0 - 0 | DRAW | 🟨 3 | Premier League |
| 31 Mar 2007 | Fulham(A) | 1 - 1 | DRAW | — | Premier League |
| 29 Apr 2006 | Wigan(A) | 2 - 1 | WIN | 🟨 1 | Premier League |
| 25 Feb 2006 | Chelsea(A) | 0 - 2 | LOSS | 🟨 1 | Premier League |
| 31 Dec 2005 | Fulham(H) | 1 - 0 | WIN | 🟨 1 | Premier League |
| 20 Aug 2005 | West Brom(A) | 1 - 2 | LOSS | 🟨 3 | Premier League |
| 15 May 2005 | West Brom(A) | 0 - 2 | LOSS | 🟨 1 | Premier League |
| 22 Jan 2005 | Chelsea(A) | 0 - 3 | LOSS | — | Premier League |
| 11 Dec 2004 | Newcastle(A) | 1 - 1 | DRAW | 🟨 2 | Premier League |
| 4 May 2004 | Arsenal(H) | 1 - 1 | DRAW | — | Premier League |
Frequently Asked Questions
Detailed Statistics
Cards for Portsmouth
Cards for Opponents
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