Calvin Gregory Maduro (born September 5, 1974) is an Aruban former professional baseball player.

[4] Maduro also represented the Netherlands at the 2004 Summer Olympics in Athens where he and his team finished sixth.

In 2005, Maduro was named the pitching coach for the Aberdeen IronBirds of the New York–Penn League, an Orioles farm team.

[citation needed] After the 2003 season, he was decorated as a Knight in the Order of Orange-Nassau, along with fellow Aruba-born baseball players Eugene Kingsale and Sidney Ponson.

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