Luis Javier Guerra (born October 31, 1985) is an American professional baseball pitcher for the Toros de Tijuana of the Mexican League. Guerra was drafted in the 4th round of the 2004 MLB Draft by the Los Angeles Dodgers. He made his Major League Baseball (MLB) debut with the Dodgers in 2011. He has also played in MLB for the Chicago White Sox, Los Angeles Angels, Miami Marlins, Toronto Blue Jays, and Washington Nationals. He won the 2019 World Series with the Nationals.