Education
Bachelor of Science Young Boys
On 3 January 2012 Caracas announced Martínez had been sold to Bachelor of Science Young Boys in the Swiss Super League for a period of four years with fellow right-back Alexander Gonzalez.
Bachelor of Science Young Boys
On 3 January 2012 Caracas announced Martínez had been sold to Bachelor of Science Young Boys in the Swiss Super League for a period of four years with fellow right-back Alexander Gonzalez.
Caracas
He scored his first goal in a 2–2 draw against Deportivo Petare on 21 November 2010. After a string of good performances, Martínez was called up to the Venezuelan national team, as well as awarded his first start for Young Boys on 21 October 2012, in which he scored his first goal for the Swiss club with a volley in the 50th minute against Grasshopper Club Zürich. Thun
After one season in the Swiss capital city, he was sent on loan to Thun.
After scoring 8 goals in 18 games with the team from Bernese Oberland, he was momentarily the top scorer in the Swiss Super League and recalled by Young Boys.
Torino
On 7 June 2014 Martínez transferred to Italian Serie A club Torino. On 7 December 2014 Martínez scored his first goal in Serie A in a 2–2 draw with Palermo.
Four days later, he scored his first brace in the Europa League against Copenhagen, which ended 1–5 in favour of Torino. Martínez made his international debut on 7 August 2011 against El Salvador, coming on as a 76th minute subordinate
Martínez made his debut for Caracas on 21 August 2010 against Estudiantes de Mérida, entering as a substitute in the 70th minute, won 1–0. He debuted on 5 February 2012 against Servette Football Club, which the Young Boys won 3–1. He debuted in the third round of the 2014-2015 Europa League, won 3–0 against Sweden"s Brommapojkarna. He scored his first goal for the Granata in the return leg, won 4–0 in Turin (7–0 on agg).