West Side Park was the name used for two different baseball parks that formerly stood in Chicago, Illinois. They were both home fields of the team now known as the Chicago Cubs of the National League. Both parks hosted baseball championships. The latter of the two parks, where the franchise played for nearly a quarter century, was the home of the first two world champion Cubs teams (1907 and 1908), the team that posted the best winning percentage in Major League Baseball history and won the most games in National League history (1906), the only cross-town World Series in Chicago (1906), and the immortalized Tinker to Evers to Chance double-play combo. Both ballparks were what are now called "wooden" ballparks.