Mario Terrazas Chávez has officiated 79 matches on record, averaging 5.7 cards and 18.7 fouls per game — a strict official. A player is dismissed roughly once every 2 games, and the spot is pointed to 0.39 times per match. Home teams win 46% of matches under him, drawing 24% and losing 30%. Most active in the Liga de Expansión MX (60 matches). 32% of his bookings come after the 75th minute, with the first card around the 28'.