... 11:38:56 PSAPPENDIX A 1871: The Ball Players’ Who’s WhoDuring the National Association of Professional Base Ball Players’ inaugural season of 1871, professional baseball’s first attempt at ... clubsrepresented at that historic meeting, nine made their way into professional baseball’s first season. By November 3, 1871, they had officially declared theirfirst champion to be Philadelphia’s ... a.767 win-loss percentage. These seasoned professionals regularly pummeledsemi-pro and amateur teams. As 1870 turned to 1871, a strong core of atleast 20 professional teams stood atop American...