What does OPS combine?

What is the nickname for striking out four times in one game? What is an "immaculate inning"? In baseball slang, what is a "Maddux"? What does the statistic WHIP measure? What does WAR stand for in baseball statistics? In scorekeeping, which number represents the center fielder? In scorekeeping, which number represents the third baseman? What is a pitch called "Uncle Charlie"?