Nicknamed "The Old Arbitrator." Umpired from 1905 to 1940 and then served as chief of National League umpires. Holds the record for World Series appearances with 18 and consecutive appearances with five. Originated arm signals to coincide with verbal calls. In a rare tribute to an umpire, he was honered with gifts on "Bill Klem Night," September 2, 1949 at the Polo Grounds. Member of the National Baseball Hall of Fame.


Umpired in the American League from 1974 to 1989. He tragically died of a heart attack on March 28, 1989 at the age of 43. He was a member of the AL umpire staff when he passed away. Worked the Florida State, Eastern, International, Florida Winter Instructional and Puerto Rican Winter Leagues before joining the AL. Called the 1980 World Series, four AL Playoffs and two Mid-Summer Classics.


Umpired in the National League for 24 years (1941-64). Umpired four World Series and six All-Star Games. Played in 128 major league games as a member of the Chicago White Sox (1934-35). Became the fifth umpire elected into the National Baseball Hall of Fame. Conlan on umpiring: "You've got to have thick skin and a strong heart. You've got to have and command respect. Without them, you're nothing."


Umpired at the major league level for 33 years (1940-72). Worked a record seven All-Star Games. At age 25, he became one of the youngest umpires to reach the major leagues. Known for his booming calls and distinctive hand signals. Started umpiring sandlot games after a coal mining strike forced him to earn extra money. Was a World War II Coast Guard veteran. Became the sixth umpire inducted into the National Baseball Hall of Fame in 1989.


Became an American League umpire in 1968 and served for a time as referee for the National Basketball Association. Also a pitcher for the New York Yankees and Kansas City Athletics, where he compiled a lifetime record of 6-6. Died in 1988 at the age 48, after a long battle with cancer. His son Jeff was an infielder with the Texas Rangers (1984-92).


Umpired in the American League from 1963-82. Worked two World Series, three League Championship Series and four All-Star Games. His son Mike is currently a major league baseball umpire with 2 1/2 years of service. Died tragically on June 8, 1982, at the age of 51, when he was struck by a car as he was crossing a street in Arlington, Texas.