Alan Dwayne Porter Jr. (born December 18, 1977) is an American Major League Baseball umpire. He umpired his first Major League game on April 5, 2010. He wears uniform number 64.
ألان بورتر (بالإنجليزية: Alan Porter) هو أمريكي، ولد في 18 ديسمبر 1977 في Chestnut Hill في الولايات المتحدة. (ar)
Alan Dwayne Porter Jr. (born December 18, 1977) is an American Major League Baseball umpire. He umpired his first Major League game on April 5, 2010. He wears uniform number 64. (en)