Also in 2003, in commemoration of the 100th anniversary of the first modern World Series, the two participants in that game (the Boston Red Sox and the Pittsburgh Pirates) met in a 3-game interleague series at PNC Park in Pittsburgh. While the Red Sox took two of three of those games with both teams wearing their standard uniforms, the one the Pirates won was meant to replicate their matchup in the 1903 World Series with both teams wearing 1903-era throwbacks. Although baseball teams did not have uniform numbers at the time, to keep with the current rules numbers were put on the backs of the otherwise-accurate throwbacks. The JumboTron screen was left with a static background, and the scoreboard had the different team names at the time: the "Boston Americans" and the "Pittsburg Pirates". The stadium crew at PNC Park also did other 1903-era activities such as using a megaphone for announcements.