Turn of the century baseball attendances were modest by later standards. The average for the 1,110 games in the 1901 season was 3,247.  However the first 20 years of the 20th century saw an unprecedented rise in the popularity of baseball. Large stadiums dedicated to the game were built for many of the larger clubs or existing grounds enlarged, including Shibe Park , home of the Philadelphia Athletics , Ebbets Field in Brooklyn , the Polo Grounds in Manhattan , Boston 's Fenway Park along with Wrigley Field and Comiskey Park in Chicago . Likewise from the Eastern League to the small developing leagues in the West, and the rising Negro Leagues professional baseball was being played all across the country. Average major league attendances reached a pre World War I peak of 5,836 in 1909, before falling back during the war. Where there weren't professional teams, there were semi-pro teams, traveling teams barnstorming , company clubs and amateur men's leagues. In the days before television, if you wanted to see a game, you had to go to the game.
On November 10, 2006, he was traded to the Detroit Tigers for minor league pitchers Humberto Sánchez , Kevin Whelan , and Anthony Claggett . After the trade, Sheffield agreed to a two-year, $28 million extension.  In his first season with the Tigers, he hit 25 home runs, with 75 RBIs, and a .265 batting average. Sheffield also hit his first triple since 2004 and stole 20 bases for the first time since 1990. He was also one of only six batters in the AL to have at least 20 home runs and 20 stolen bases , along with Alex Rodriguez , Grady Sizemore , Ian Kinsler , . Upton and former teammate Curtis Granderson .