Nils Heer has officiated 12 matches on record, averaging 3.3 cards and 7.6 fouls per game — a balanced official. A player is dismissed roughly once every 12 games, and the spot is pointed to 0.33 times per match. Home teams win 50% of matches under him, drawing 33% and losing 17%. Most active in the First Division (12 matches). 38% of his bookings come after the 75th minute, with the first card around the 53'.