Jocko Thompson debuted on September 21, 1948, playing for the Philadelphia Phillies at Shibe Park; he played his final game on September 16, 1951, playing for the Philadelphia Phillies at Shibe Park.
Jocko Conlan debuted on July 6, 1934 and played his final game on September 29, 1935.
Jocko Conlon debuted on April 17, 1923 and played his final game on October 6, 1923.
Jocko Fields debuted on May 31, 1887 and played his final game on June 11, 1892.
Jocko Flynn debuted on May 1, 1886 and played his final game on May 23, 1887.
Jocko Thompson played in 8 games at pitcher for the Philadelphia Phillies in 1949, starting in none of them. He made no putouts, had 5 assists, and committed no errors, equivalent to 0 errors per game (estimate based on total games played in). He had one double play.
Jocko Halligan debuted on May 13, 1890, playing for the Buffalo Bisons at ; he played his final game on August 3, 1892, playing for the Baltimore Orioles at Union Park.
Jocko Conlon debuted on April 17, 1923, playing for the Boston Braves at Braves Field; he played his final game on October 6, 1923, playing for the Boston Braves at Braves Field.
Jocko Conlan debuted on July 6, 1934, playing for the Chicago White Sox at Comiskey Park; he played his final game on September 29, 1935, playing for the Chicago White Sox at Comiskey Park.
Jocko Fields debuted on May 31, 1887, playing for the Pittsburg Alleghenys at Recreation Park; he played his final game on June 11, 1892, playing for the New York Giants at Polo Grounds III.
Jocko Milligan debuted on May 1, 1884, playing for the Philadelphia Athletics at Jefferson Street Grounds; he played his final game on September 26, 1893, playing for the New York Giants at Polo Grounds III.
Jocko Flynn debuted on May 1, 1886, playing for the Chicago White Stockings at West Side Park I; he played his final game on May 23, 1887, playing for the Chicago White Stockings at West Side Park I.
Baseball