Román Junior Méndez Pérez (born July 25, 1990) is a Dominican professional baseball pitcher for the Conspiradores de Querétaro of the Mexican League.

He spent the 2009 season with the rookie ball GCL Red Sox, registering a 2-3 record and 1.99 ERA with 47 strikeouts in 12 games.

Méndez was assigned to the Single-A Greenville Drive to begin the 2010 season, but was later demoted to the Low-A Lowell Spinners after recording an 11.40 ERA in 6 appearances.

Méndez did not make a major league appearance in 2013 as well, spending the season in Frisco, pitching to a 1.82 ERA with 24 strikeouts in 16 games.

[5] The Rangers promoted Méndez to the major leagues on July 8, 2014, and he made his MLB debut that day, pitching 2.0 scoreless innings against the Houston Astros.

[9] Méndez spent the 2016 season in Triple-A with the Pawtucket Red Sox, and pitched to a 4-2 record and 3.38 ERA with 59 strikeouts without receiving a call-up to the big league club.

[12] He made 44 appearances out of the bullpen for the Double-A Harrisburg Senators, compiling a 3.67 ERA with 59 strikeouts and 11 saves across 54 innings of work.

[13] On April 3, 2019, Méndez signed with the Tecolotes de los Dos Laredos of the Mexican League.