He played 32 games in Major League Baseball (MLB) for the San Diego Padres and Texas Rangers.

Prior to playing professionally, he attended Coral Park High School, Jackson State Community College, and then Cumberland University.

Martinez played for the Eugene Emeralds and Fort Wayne Wizards in 2007, hitting a combined .253 with two home runs and 17 RBI in 45 games.

With the Lake Elsinore Storm and Portland Beavers in 2009, Martinez hit .286 with four home runs and 41 RBI in 94 games.

[2] Martinez was recalled from the Triple–A Round Rock Express on August 11 when Mike Napoli was placed on the disabled list[3][4] He was designated for assignment on December 26, 2012 and removed from the Rangers' 40-man roster.