Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Brian Keith O'Nora (born February 7, 1963 in Youngstown, Ohio) is an umpire in Major League Baseball. He joined the major league staff in 2000, after previously umpiring for the American League from 1992 to 1999 and wears uniform number 7. O'Nora previously worked the Appalachian League (1985), the Midwest League (1986 1987), the Eastern League (1988 1989), the Pacific Coast League (1990), the Americam Association (1991), the International League, the Florida Instructional League (1985 1989) and the Puerto Rican Winter League (1990 1992).