Numbers show how many referees each club has encountered at each frequency level
Color coding: Light Green (1), Green (2 Normal), Orange (3 Alert), Red (4+ High/Extreme)
Red vertical line separates acceptable (1-2) from concerning (3+) frequency levels
✓ Complete data INCLUDING MW16: 160 matches, 320 encounters
âš ï¸ Alert: Liverpool (3 referees at 3x), Newcastle United (2 referees at 3x), Arsenal (1 at 3x), Burnley (1 at 3x), Chelsea (1 at 3x), Crystal Palace (1 at 3x), Everton (1 at 3x), Leeds United (1 at 3x), Sunderland (1 at 3x), Tottenham Hotspur (1 at 3x)