Justin Speier debuted on May 27, 1998, playing for the Chicago Cubs at Wrigley Field; he played his final game on August 7, 2009, playing for the Los Angeles Angels of Anaheim at Angel Stadium.
Ryan Speier debuted on April 4, 2005, playing for the Colorado Rockies at Coors Field; he played his final game on April 18, 2009, playing for the Colorado Rockies at Coors Field.
Justin Speier played in 62 games at pitcher for the Toronto Blue Jays in 2004, starting in none of them. He played for a total of 207 outs, equivalent to 7.67 9-inning games. He made one putout, had 5 assists, and committed 2 errors, equivalent to .261 errors per 9-inning game. He had one double play.
Justin Speier played in 58 games at pitcher for the Toronto Blue Jays in 2006, starting in none of them. He played for a total of 154 outs, equivalent to 5.7 9-inning games. He made 4 putouts, had 5 assists, and committed no errors, equivalent to 0 errors per 9-inning game. He had one double play.
Chris Speier debuted on April 7, 1971, playing for the San Francisco Giants at Candlestick Park; he played his final game on October 1, 1989, playing for the San Francisco Giants at Candlestick Park.
Justin Atchley debuted on April 7, 2001 and played his final game on July 12, 2001.
Justin Baughman debuted on May 17, 1998 and played his final game on September 30, 2000.
Justin Berg debuted on August 13, 2009 and played his final game on May 25, 2011.
Justin Brunette debuted on April 13, 2000 and played his final game on May 12, 2000.
Justin Christian debuted on June 24, 2008 and played his final game on September 30, 2012.
Justin Duchscherer debuted on July 25, 2001 and played his final game on April 29, 2010.
Justin De Fratus debuted on September 18, 2011 and played his final game on September 29, 2013.
NBA player Justin Hamilton played for LSU.