Career
He batted and threw right-handed. Rojas spent 23 years in the minor leagues as a catcher before becoming a manager. From 1982 through 2004, he played for nine different teams both in the Mexican Baseball and Mexican Pacific leagues.
A fine defensive catcher and good-contact hitter, he batted.300 or more nine times and hit 150 home runs, while collecting a career.291 batting average.
His most productive season came in 1998, when he posted career-highs in average (352) and Reserve Bank of India (92). Following his playing career, Rojas has managed both in the MBL (2005–2006) and MPL (2007-2008).
MBL
Led the Yaquis to the 2007-2008 MPL title for their first pennant in 27 years of franchise history.