Roland Howell debuted on June 14, 1912, playing for the St. Louis Cardinals at Robison Field; he played his final game on June 25, 1912, playing for the St. Louis Cardinals at Robison Field.
NFL player Delano Howell played for Stanford.
Red Howell debuted on April 24, 1941, playing for the at ; he played his final game on May 26, 1941, playing for the at .
Roland DeLaMaza debuted on September 26, 1997 and played his final game on September 26, 1997.
Jack Howell debuted on May 20, 1985, playing for the California Angels at Anaheim Stadium; he played his final game on July 17, 1999, playing for the Houston Astros at Astrodome.
Jay Howell debuted on August 10, 1980, playing for the Cincinnati Reds at Riverfront Stadium; he played his final game on August 8, 1994, playing for the Texas Rangers at The Ballpark at Arlington.
Ken Howell debuted on June 25, 1984, playing for the Los Angeles Dodgers at Dodger Stadium; he played his final game on August 5, 1990, playing for the Philadelphia Phillies at Veterans Stadium.
Pat Howell debuted on July 10, 1992, playing for the New York Mets at Shea Stadium; he played his final game on October 4, 1992, playing for the New York Mets at Shea Stadium.
Harry Howell debuted on October 10, 1898, playing for the Brooklyn Bridegrooms at Washington Park III; he played his final game on May 14, 1910, playing for the St. Louis Browns at Sportsman's Park IV.
Roland Gladu debuted on April 18, 1944, playing for the Boston Braves at Braves Field; he played his final game on May 24, 1944, playing for the Boston Braves at Braves Field.
Jim Roland debuted on September 20, 1962, playing for the Minnesota Twins at Metropolitan Stadium; he played his final game on September 16, 1972, playing for the Texas Rangers at Arlington Stadium.
Dixie Howell debuted on September 14, 1940, playing for the Cleveland Indians at League Park II/Cleveland Stadium; he played his final game on April 26, 1958, playing for the Chicago White Sox at Comiskey Park.
J. P. Howell debuted on June 11, 2005, playing for the Kansas City Royals at Kauffman Stadium; he played his final game on September 29, 2013, playing for the Los Angeles Dodgers at Dodger Stadium.