Cesar Valdez debuted on May 3, 2010, playing for the Arizona Diamondbacks at Chase Field; he played his final game on June 10, 2010, playing for the Arizona Diamondbacks at Chase Field.
Cesar Cabral debuted on September 2, 2013 and played his final game on September 25, 2013.
Cesar Carrillo debuted on August 13, 2009 and played his final game on August 23, 2009.
Cesar Cedeno debuted on June 20, 1970 and played his final game on June 2, 1986.
Cesar Crespo debuted on May 29, 2001 and played his final game on July 1, 2004.
Cesar Devarez debuted on June 3, 1995 and played his final game on September 29, 1996.
Cesar Valdez played in 9 games at pitcher for the Arizona Diamondbacks in 2010, starting in 2 of them. He played for a total of 60 outs, equivalent to 2.22 9-inning games. He made 5 putouts, had one assist, and committed no errors, equivalent to 0 errors per 9-inning game. He had one double play.
Efrain Valdez debuted on August 13, 1990, playing for the Cleveland Indians at Cleveland Stadium; he played his final game on July 10, 1998, playing for the Arizona Diamondbacks at Bank One Ballpark.
Ismael Valdez debuted on June 15, 1994, playing for the Los Angeles Dodgers at Dodger Stadium; he played his final game on October 1, 2005, playing for the Florida Marlins at Dolphin Stadium.
Sergio Valdez debuted on September 10, 1986, playing for the Montreal Expos at Stade Olympique; he played his final game on September 26, 1995, playing for the San Francisco Giants at Candlestick Park.
Jose Valdez debuted on April 17, 2011, playing for the Houston Astros at Minute Maid Park; he played his final game on October 3, 2012, playing for the Houston Astros at Minute Maid Park.
Mario Valdez debuted on June 15, 1997, playing for the Chicago White Sox at Comiskey Park II; he played his final game on June 22, 2001, playing for the Oakland Athletics at Oakland Coliseum.
Merkin Valdez debuted on August 1, 2004, playing for the San Francisco Giants at SBC Park; he played his final game on September 25, 2011, playing for the Texas Rangers at Rangers Ballpark in Arlington.