Cătălin Popa has officiated 137 matches on record, averaging 3.6 cards and 20.6 fouls per game — a balanced official. A player is dismissed roughly once every 4 games, and the spot is pointed to 0.39 times per match. Home teams win 50% of matches under him, drawing 20% and losing 31%. Most active in the Superliga (137 matches). 31% of his bookings come after the 75th minute, with the first card around the 25'. He cards more than 47% of Superliga 2023/2024 referees.