The 2017 World Baseball Classic set numerous tournament attendance records after the completion of the first round of play. The tournament reached record attendance for games played through the first round with 621,851 fans marking a +34% increase over the previous record of 463,017 which was established during the 2013 Classic.
Pool B, held at the Tokyo Dome in Tokyo, Japan, registered the largest attendance of any pool in the history of the tournament with a total of 206,534. The average attendance for Japan's three first round games was 42,123. Japan's 11-6 victory over Cuba on March 7, which drew a crowd of 44,908, was the largest attendance of the first round and the third-largest crowd in the tournament's history.
Pool C, held at Marlins Park in Miami, drew a total of 163,878, which was the highest first round total for a U.S. pool in the tournament's history. The top game from Miami was the sold out USA vs. Dominican Republic thriller which the DR captured 7-5 in front of 37,446 fans, marking the largest crowd in Marlins Park history.