J. J. Hardy debuted on April 4, 2005, playing for the Milwaukee Brewers at Miller Park; he played his final game on September 29, 2013, playing for the Baltimore Orioles at Oriole Park at Camden Yards.
Hardy Peterson debuted on May 5, 1955, playing for the Pittsburgh Pirates at Forbes Field; he played his final game on August 8, 1959, playing for the Pittsburgh Pirates at Forbes Field.
Shane Peterson debuted on April 16, 2013, playing for the Oakland Athletics at O.co Coliseum; he played his final game on April 17, 2013, playing for the Oakland Athletics at O.co Coliseum.
Fritz Peterson debuted on April 15, 1966, playing for the New York Yankees at Yankee Stadium I; he played his final game on June 19, 1976, playing for the Texas Rangers at Arlington Stadium.
Carroll Hardy debuted on April 15, 1958, playing for the Cleveland Indians at Cleveland Stadium; he played his final game on September 27, 1967, playing for the Minnesota Twins at Metropolitan Stadium.
Alex Hardy debuted on September 4, 1902, playing for the Chicago Orphans at West Side Park II; he played his final game on May 9, 1903, playing for the Chicago Cubs at West Side Park II.
Red Hardy debuted on June 20, 1951, playing for the New York Giants at Polo Grounds IV; he played his final game on June 23, 1951, playing for the New York Giants at Polo Grounds IV.
NFL player Patrick Peterson played for LSU.
NFL player Adrian Peterson played for Oklahoma.
NFL player Greg Hardy played for Mississippi.
NFL player Andre Hardy played for Cal State-Fullerton.
Shane Peterson debuted on April 16, 2013, playing for the Oakland Athletics at O.co Coliseum; he played his final game on April 17, 2013, playing for the Oakland Athletics at O.co Coliseum.
Jim Peterson debuted on July 9, 1931, playing for the Philadelphia Athletics at Shibe Park; he played his final game on April 24, 1937, playing for the Brooklyn Dodgers at Ebbets Field.
Fritz Peterson debuted on April 15, 1966, playing for the New York Yankees at Yankee Stadium I; he played his final game on June 19, 1976, playing for the Texas Rangers at Arlington Stadium.
Buddy Peterson debuted on September 14, 1955, playing for the Chicago White Sox at Comiskey Park; he played his final game on September 29, 1957, playing for the Baltimore Orioles at Memorial Stadium.
Cap Peterson debuted on September 12, 1962, playing for the San Francisco Giants at Candlestick Park; he played his final game on September 28, 1969, playing for the Cleveland Indians at Cleveland Stadium.
Kent Peterson debuted on July 15, 1944, playing for the Cincinnati Reds at Crosley Field; he played his final game on July 18, 1953, playing for the Philadelphia Phillies at Connie Mack Stadium.
Bob Peterson debuted on April 18, 1906, playing for the Boston Americans at Huntington Avenue Grounds; he played his final game on October 5, 1907, playing for the Boston Americans at Huntington Avenue Grounds.
Carroll Hardy debuted on April 15, 1958, playing for the Cleveland Indians at Cleveland Stadium; he played his final game on September 27, 1967, playing for the Minnesota Twins at Metropolitan Stadium.