Ronald Clarence Kulpa is an American umpire in Major League Baseball. He wears uniform number 46.

The 2001 American League Division Series (ALDS), the opening round of the 2001 American League playoffs, began on Tuesday, October 9, and ended on Monday, October 15, with the champions of the three AL divisions—along with a "wild card" team—participating in two best-of-five series. The teams were:(1) Seattle Mariners vs. (3) Cleveland Indians : Mariners win series, 3–2. (2) New York Yankees vs. (4) Oakland Athletics : Yankees win series, 3–2.