Oswaldo Mairena debuted on September 5, 2000, playing for the Chicago Cubs at Wrigley Field; he played his final game on September 28, 2002, playing for the Florida Marlins at Pro Player Stadium.
Oswaldo Arcia debuted on April 15, 2013 and played his final game on September 27, 2013.
Oswaldo Arcia debuted on April 15, 2013, playing for the Minnesota Twins at Target Field; he played his final game on September 27, 2013, playing for the Minnesota Twins at Target Field.
Oswaldo Peraza debuted on April 4, 1988, playing for the Baltimore Orioles at Memorial Stadium; he played his final game on September 2, 1988, playing for the Baltimore Orioles at Memorial Stadium.
Oswaldo Navarro debuted on September 9, 2006, playing for the Seattle Mariners at Safeco Field; he played his final game on July 18, 2010, playing for the Houston Astros at Minute Maid Park.
Oswaldo Minda plays as a Midfielder for Ecuador.
Oswaldo Arcia plays for the Minnesota Twins.
Oswaldo Arcia is a right fielder for the Minnesota Twins.
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As of June 2014, Oswaldo Minda plays for Chivas USA, a club in United States.
Oswaldo Minda played for Ecuador in the 2014 FIFA World Cup.
play baseball
Oswaldo Peraza played in 19 games at pitcher for the Baltimore Orioles in 1988, starting in 15 of them. He played for a total of 258 outs, equivalent to 9.56 9-inning games. He made 8 putouts, had 11 assists, and committed 3 errors, equivalent to .314 errors per 9-inning game. He had one double play.