🧑⚖️ Referee Profile
J Simpson
395 matches officiated across 104 teams
* Note: Detailed card statistics for matches before 2005 may be incomplete.
395
Matches
3.5
🟨 / Game
104
Teams
Our comprehensive analysis of J Simpson's officiating record examines 104 teams across 395 matches, revealing fascinating patterns in how this referee impacts different teams' performances. The data shows a 100.0 percentage point spread between the most favorable and most-impacted teams under J Simpson, with some notable negative patterns worth examining. J Simpson averages 3.5 yellow cards and 0.19 red cards per match. Newport County appears most affected with a -45.0% bias score over 4 matches. This analysis helps football fans, bettors, and fantasy managers understand historical referee-team dynamics and make more informed decisions.
All Teams Ranked by Bias
#
Team
Games
Win Rate
Bias Score
🟨/G
Verdict
1
#1Tranmere
5
0.0%
-45.0%
1.8
🚨 Strong Bias
Games
5
Win Rate
0.0%
Bias Score
-45.0%
2
#2Ipswich
7
0.0%
-45.0%
2.4
🚨 Strong Bias
Games
7
Win Rate
0.0%
Bias Score
-45.0%
3
#3Millwall
20
15.0%
-30.0%
1.8
🚨 Strong Bias
Games
20
Win Rate
15.0%
Bias Score
-30.0%
4
#4Carlisle
6
16.7%
-28.3%
2.2
🚨 Strong Bias
Games
6
Win Rate
16.7%
Bias Score
-28.3%
5
#5Accrington
6
16.7%
-28.3%
2.2
🚨 Strong Bias
Games
6
Win Rate
16.7%
Bias Score
-28.3%
6
#6Hartlepool
6
16.7%
-28.3%
1.7
🚨 Strong Bias
Games
6
Win Rate
16.7%
Bias Score
-28.3%
7
#7Tamworth
6
16.7%
-28.3%
1.3
🚨 Strong Bias
Games
6
Win Rate
16.7%
Bias Score
-28.3%
8
#8Nott'm Forest
16
18.8%
-26.3%
2.1
🚨 Strong Bias
Games
16
Win Rate
18.8%
Bias Score
-26.3%
9
#9Colchester
5
20.0%
-25.0%
2.0
🚨 Strong Bias
Games
5
Win Rate
20.0%
Bias Score
-25.0%
10
#10Swindon
5
20.0%
-25.0%
1.4
🚨 Strong Bias
Games
5
Win Rate
20.0%
Bias Score
-25.0%
11
#11Fulham
5
20.0%
-25.0%
2.4
🚨 Strong Bias
Games
5
Win Rate
20.0%
Bias Score
-25.0%
12
#12Notts County
5
20.0%
-25.0%
1.8
🚨 Strong Bias
Games
5
Win Rate
20.0%
Bias Score
-25.0%
13
#13Bolton
9
22.2%
-22.8%
1.8
🚨 Strong Bias
Games
9
Win Rate
22.2%
Bias Score
-22.8%
14
#14Rotherham
22
22.7%
-22.3%
1.6
🚨 Strong Bias
Games
22
Win Rate
22.7%
Bias Score
-22.3%
15
#15Cardiff
17
23.5%
-21.5%
1.8
🚨 Strong Bias
Games
17
Win Rate
23.5%
Bias Score
-21.5%
16
#16Brentford
12
25.0%
-20.0%
1.7
🚨 Strong Bias
Games
12
Win Rate
25.0%
Bias Score
-20.0%
17
#17Wigan
15
26.7%
-18.3%
2.3
⚠️ Potential Bias
Games
15
Win Rate
26.7%
Bias Score
-18.3%
18
#18Barnsley
15
26.7%
-18.3%
1.5
⚠️ Potential Bias
Games
15
Win Rate
26.7%
Bias Score
-18.3%
19
#19Birmingham
18
27.8%
-17.2%
1.7
⚠️ Potential Bias
Games
18
Win Rate
27.8%
Bias Score
-17.2%
20
#20Preston
21
28.6%
-16.4%
1.2
⚠️ Potential Bias
Games
21
Win Rate
28.6%
Bias Score
-16.4%
21
#21Sunderland
14
28.6%
-16.4%
2.2
⚠️ Potential Bias
Games
14
Win Rate
28.6%
Bias Score
-16.4%
22
#22Luton
14
28.6%
-16.4%
1.4
⚠️ Potential Bias
Games
14
Win Rate
28.6%
Bias Score
-16.4%
23
#23Rochdale
7
28.6%
-16.4%
1.3
⚠️ Potential Bias
Games
7
Win Rate
28.6%
Bias Score
-16.4%
24
#24Kidderminster
7
28.6%
-16.4%
1.6
⚠️ Potential Bias
Games
7
Win Rate
28.6%
Bias Score
-16.4%
25
#25Gateshead
7
28.6%
-16.4%
1.1
⚠️ Potential Bias
Games
7
Win Rate
28.6%
Bias Score
-16.4%
26
#26Hull
17
29.4%
-15.6%
2.1
⚠️ Potential Bias
Games
17
Win Rate
29.4%
Bias Score
-15.6%
27
#27Bristol City
20
30.0%
-15.0%
1.9
⚠️ Potential Bias
Games
20
Win Rate
30.0%
Bias Score
-15.0%
28
#28York
10
30.0%
-15.0%
1.4
⚠️ Potential Bias
Games
10
Win Rate
30.0%
Bias Score
-15.0%
29
#29Swansea
9
33.3%
-11.7%
1.2
⚠️ Potential Bias
Games
9
Win Rate
33.3%
Bias Score
-11.7%
30
#30Lincoln
6
33.3%
-11.7%
2.3
⚠️ Potential Bias
Games
6
Win Rate
33.3%
Bias Score
-11.7%
31
#31Charlton
6
33.3%
-11.7%
2.5
⚠️ Potential Bias
Games
6
Win Rate
33.3%
Bias Score
-11.7%
32
#32Burton
9
33.3%
-11.7%
1.9
⚠️ Potential Bias
Games
9
Win Rate
33.3%
Bias Score
-11.7%
33
#33Huddersfield
18
33.3%
-11.7%
1.5
⚠️ Potential Bias
Games
18
Win Rate
33.3%
Bias Score
-11.7%
34
#34Bradford
9
33.3%
-11.7%
2.0
⚠️ Potential Bias
Games
9
Win Rate
33.3%
Bias Score
-11.7%
35
#35Peterboro
6
33.3%
-11.7%
1.3
⚠️ Potential Bias
Games
6
Win Rate
33.3%
Bias Score
-11.7%
36
#36Milton Keynes Dons
6
33.3%
-11.7%
2.5
⚠️ Potential Bias
Games
6
Win Rate
33.3%
Bias Score
-11.7%
37
#37Darlington
6
33.3%
-11.7%
1.3
⚠️ Potential Bias
Games
6
Win Rate
33.3%
Bias Score
-11.7%
38
#38Blackpool
11
36.4%
-8.6%
2.0
📊 Neutral
Games
11
Win Rate
36.4%
Bias Score
-8.6%
39
#39Port Vale
8
37.5%
-7.5%
2.5
📊 Neutral
Games
8
Win Rate
37.5%
Bias Score
-7.5%
40
#40Norwich
10
40.0%
-5.0%
1.9
📊 Neutral
Games
10
Win Rate
40.0%
Bias Score
-5.0%
41
#41Coventry
15
40.0%
-5.0%
1.3
📊 Neutral
Games
15
Win Rate
40.0%
Bias Score
-5.0%
42
#42Sheffield United
10
40.0%
-5.0%
1.6
📊 Neutral
Games
10
Win Rate
40.0%
Bias Score
-5.0%
43
#43Cambridge
5
40.0%
-5.0%
0.6
📊 Neutral
Games
5
Win Rate
40.0%
Bias Score
-5.0%
44
#44Qpr
19
42.1%
-2.9%
1.9
📊 Neutral
Games
19
Win Rate
42.1%
Bias Score
-2.9%
45
#45Doncaster
7
42.9%
-2.1%
2.4
📊 Neutral
Games
7
Win Rate
42.9%
Bias Score
-2.1%
46
#46Sheffield Weds
14
42.9%
-2.1%
1.7
📊 Neutral
Games
14
Win Rate
42.9%
Bias Score
-2.1%
47
#47Derby
16
43.8%
-1.3%
1.7
📊 Neutral
Games
16
Win Rate
43.8%
Bias Score
-1.3%
48
#48Stoke
16
43.8%
-1.3%
1.8
📊 Neutral
Games
16
Win Rate
43.8%
Bias Score
-1.3%
49
#49Reading
19
47.4%
+2.4%
1.6
📊 Neutral
Games
19
Win Rate
47.4%
Bias Score
+2.4%
50
#50Blackburn
18
50.0%
+5.0%
1.6
📊 Neutral
Games
18
Win Rate
50.0%
Bias Score
+5.0%
51
#51Watford
6
50.0%
+5.0%
2.3
📊 Neutral
Games
6
Win Rate
50.0%
Bias Score
+5.0%
52
#52Wrexham
10
50.0%
+5.0%
2.3
📊 Neutral
Games
10
Win Rate
50.0%
Bias Score
+5.0%
53
#53Stevenage
6
50.0%
+5.0%
2.3
📊 Neutral
Games
6
Win Rate
50.0%
Bias Score
+5.0%
54
#54Wolves
10
50.0%
+5.0%
1.5
📊 Neutral
Games
10
Win Rate
50.0%
Bias Score
+5.0%
55
#55Oldham
6
50.0%
+5.0%
1.3
📊 Neutral
Games
6
Win Rate
50.0%
Bias Score
+5.0%
56
#56Middlesbrough
21
52.4%
+7.4%
1.4
📊 Neutral
Games
21
Win Rate
52.4%
Bias Score
+7.4%
57
#57Leeds
13
53.8%
+8.8%
2.5
📊 Neutral
Games
13
Win Rate
53.8%
Bias Score
+8.8%
58
#58Oxford
7
57.1%
+12.1%
1.9
✅ Favorable
Games
7
Win Rate
57.1%
Bias Score
+12.1%
59
#59Fleetwood Town
5
60.0%
+15.0%
1.2
✅ Favorable
Games
5
Win Rate
60.0%
Bias Score
+15.0%
60
#60Mansfield
10
60.0%
+15.0%
2.2
✅ Favorable
Games
10
Win Rate
60.0%
Bias Score
+15.0%
61
#61Barrow
5
60.0%
+15.0%
1.6
✅ Favorable
Games
5
Win Rate
60.0%
Bias Score
+15.0%
62
#62West Brom
11
72.7%
+27.7%
1.6
✅ Favorable
Games
11
Win Rate
72.7%
Bias Score
+27.7%
63
#63Aston Villa
6
83.3%
+38.3%
1.5
✅ Favorable
Games
6
Win Rate
83.3%
Bias Score
+38.3%
Note: Showing 63 teams with 5+ games. Bias Score compares each team's win rate under this referee vs. baseline (45%). Click any team for detailed match-by-match analysis.