Melquíades Rojas Medrano (born December 10, 1966) is a Dominican former Major League Baseball (MLB) relief pitcher.

From 1990 to 1999, he played for the Montreal Expos, Chicago Cubs, New York Mets and Los Angeles Dodgers of the National League and the Detroit Tigers of the American League.

[2] On May 11, 1994, Rojas struck out three batters on nine pitches in the ninth inning of a 4-3 win over the New York Mets.

[3] Mel Rojas joined the Sinon Bulls of the Chinese Professional Baseball League in Taiwan in 2004, played 11 games, posted 3 saves with 1.20 ERA and 14 strikeouts in 15 innings, but then was released by the team after the season ended.

[1] Mel Rojas' son, Mel Rojas Jr. was selected 84th overall in the 2010 Major League Baseball Draft by the Pittsburgh Pirates.