Joao Batista de Arruda has officiated 41 matches on record, averaging 2.2 cards and 14.5 fouls per game — a lenient official. A player is dismissed roughly once every 6 games, and the spot is pointed to 0.10 times per match. Home teams win 41% of matches under him, drawing 29% and losing 29%. Most active in the Serie B (35 matches). 32% of his bookings come after the 75th minute, with the first card around the 29'.