However, all of these club names had the words "Base Ball Club" listed after them ("baseball" was usually spelled then as two words). Examples: New York Knickerbocker B.B.C. Mutual B.B.C. Brooklyn Atlantic B.B.C. Eckford B.B.C. Philadelphia Athletic B.B.C. Olympic B.B.C. Cleveland Forest City B.B.C. Although many of the players on these clubs were de facto professionals, the first openly all-professional team was the Cincinnati "Red Stockings", an amateur team that turned professional and began a successful barnstorming tour in 1869. The fame of this team spelled the end of the high-level amateur version of the game. It was followed by a second "National Association", that of the National Association of Professional Base Ball Players (NAPBBP) during 1871–1875, with an increasing number of local clubs and for the first time, professional franchise teams. The Cincinnati Red Stockings team's newfangled uniform of knee-length "knickers" with bright colored high-topped socks or stockings also inspired the use of team colors serving a dual role as a team nickname for the sportswriters of the day, who could add variety to their prose by referring to, e.g., the Hartford club or "Hartfords" alternately as the "Dark Blues" based on their obvious characteristic clothing. None of these early 'color' nicknames were official or used by the teams themselves, however. According to the Association and then the League, the teams were simply e.g. the "Brooklyn B. B. C." Examples: Boston: Red Stockings/Red Sox and Red Caps Chicago: White Stockings/White Sox Cincinnati: Red Stockings/Reds Hartford: Dark Blues/Blues Louisville: Grays Mutual: Green Stockings St. Louis: Brown Stockings/Browns and Red Stockings/Reds Suggesting an awareness of the significance of colors, seven seasons after its 1876 founding, the following National League of Professional Base Ball Clubs (later known simply as the National League) in 1882 passed a rule requiring specific stocking colors for each team: Boston: Red Buffalo: Gray Chicago: White Cleveland: Navy blue Detroit: Old Gold Providence: Light Blue Troy: Green Worcester: Brown While the 1882 rules prescribed stocking colors according to club, they also prescribed jersey and cap colors, but according to player position rather than according to club. Thus, on a single player's uniform, his cap and jersey would designate his position, and only his stockings would designate his club. As the news and developing sports media (primarily newspapers) began covering games extensively and assigning specialists to write about them, the inventive scribes might use the established names, or they