In scorekeeping, which number represents the center fielder?

In baseball slang, what is a "Maddux"? What does the statistic WHIP measure? What does OPS combine? What does WAR stand for in baseball statistics? In scorekeeping, which number represents the third baseman? What is a pitch called "Uncle Charlie"? What is a very slow, high-arcing lob pitch called? What is the term for an easy, lazy fly ball?