<Li> Wins: credited to pitcher on winning team who last pitched before the team took a lead that it never relinquished (a starting pitcher must pitch at least five innings to qualify for a win) </Li> <Li> Losses: charged to pitcher on losing team who was pitching when the opposing team took a lead that it never relinquished </Li> <Li> Saves: games where the pitcher enters a game led by the pitcher's team, finishes the game without surrendering the lead, is not the winning pitcher, and either (a) the lead was three runs or less when the pitcher entered the game; (b) the potential tying run was on base, at bat, or on deck; or (c) the pitcher pitched three or more innings </Li> <Li> Innings pitched: outs recorded while pitching divided by three (partial innings are conventionally recorded as, e.g., "5.2" or "7.1", the last digit actually representing thirds, not tenths, of an inning) </Li>

Where was the first professional baseball game played