John Shea debuted on June 30, 1928, playing for the Boston Red Sox at Fenway Park I; he played his final game on June 30, 1928, playing for the Boston Red Sox at Fenway Park I.
John Gibbons debuted on April 11, 1984, playing for the New York Mets at Shea Stadium; he played his final game on October 4, 1986, playing for the New York Mets at Shea Stadium.
NFL player Shea McClellin played for Boise State.
John Mitchell debuted on September 8, 1986, playing for the New York Mets at Shea Stadium; he played his final game on September 30, 1990, playing for the Baltimore Orioles at Memorial Stadium.
John Pacella debuted on September 15, 1977, playing for the New York Mets at Shea Stadium; he played his final game on July 12, 1986, playing for the Detroit Tigers at Tiger Stadium.
John Stearns debuted on September 22, 1974, playing for the Philadelphia Phillies at Veterans Stadium; he played his final game on September 30, 1984, playing for the New York Mets at Shea Stadium.
John Stephenson debuted on April 14, 1964, playing for the New York Mets at Shea Stadium; he played his final game on September 29, 1973, playing for the California Angels at Anaheim Stadium.
John Strohmayer debuted on April 29, 1970, playing for the Montreal Expos at Jarry Park; he played his final game on September 14, 1974, playing for the New York Mets at Shea Stadium.
John Milner debuted on September 15, 1971, playing for the New York Mets at Shea Stadium; he played his final game on October 3, 1982, playing for the Pittsburgh Pirates at Three Rivers Stadium.
John Christensen debuted on September 13, 1984, playing for the New York Mets at Shea Stadium; he played his final game on October 1, 1988, playing for the Minnesota Twins at Hubert H Humphrey Metrodome.
Steve Shea debuted on July 14, 1968, playing for the Houston Astros at Astrodome; he played his final game on May 31, 1969, playing for the Montreal Expos at Jarry Park.
Nap Shea debuted on September 11, 1902, playing for the Philadelphia Phillies at Baker Bowl; he played his final game on September 15, 1902, playing for the Philadelphia Phillies at Baker Bowl.
Merv Shea debuted on April 23, 1927, playing for the Detroit Tigers at Navin Field; he played his final game on August 19, 1944, playing for the Philadelphia Blue Jays at Shibe Park.