Peter Paul Castiglione (February 13, 1921 – April 22, 2010) was an infielder in Major League Baseball player for eight seasons from 1947 to 1954.

[1] Born on February 13, 1921, he initially signed a baseball contract to play for the Pittsburgh Pirates out of High School, and then played three seasons in the minor leagues from 1940 to 1942, before joining the United States Navy during World War II.

[2][3] After the war, he returned to the Pirates' organization in 1946, joining the major league club during the 1947 season.

[2] After his baseball career, he moved to Pompano Beach, Florida where he worked for the postal service as a letter carrier, and was active in local sporting community by refereeing and umpiring.

[3] He also scouted for the Pirates during his later years, as well as coaching High School and American Legion baseball teams.