Josef Martinez

Martínez made his debut for Caracas FC on 21 August 2010 against Estudiantes de Mérida, entering as a substitute in the 70th minute, won 1–0. He scored his first goal in a 2–2 draw against Deportivo Petare on 21 November 2010.

Martínez made his international debut on 7 August 2011 against El Salvador as a substitute in the 76th minute.

On 3 January 2012, Caracas announced Martínez had been sold to BSC Young Boys of the Swiss Super League for a period of four years along with fellow right-back Alexander Gonzalez. He debuted on 5 February 2012 against Servette FC, which the Young Boys won 3–1. After a string of good performances, Martínez was called up to the Venezuela 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.

On 7 June 2014, Martínez was sold to Italian Serie A club Torino for a reported fee of €3 million. He made his debut in a 0–3 away win against Sweden's Brommapojkarna in the third round of the 2014–15 Europa League. He scored his first goal for the Granata in the return leg, won 4–0 in Turin (7–0 on agg.).

On 30 April 2016, he scored his first brace in Serie A, as Torino won 1–5 away to Udinese.

On 10 November 2016 (matchday 11 of the 2018 FIFA World Cup qualification), Martínez scored a hat-trick against Bolivia in a 5–0 win in Maturín.

On 2 February 2017, Martínez was loaned with a buying option to Major League Soccer expansion team Atlanta United. He made his league debut on 5 March in a 1–2 home defeat against New York Red Bulls. He scored his first career hat-trick, and the first hat-trick in the history of the club, in a 6–1 win at Minnesota United the following week.

On 2 June 2018, Martínez converted a late penalty kick against Philadelphia Union to notch his fifth MLS hat-trick, tying the league record for hat-tricks and doing so faster than any other player in league history. He broke the record for hat-tricks on 21 July 2018 against DC United, after only 44 games.

He scored the only goal for the MLS All-Stars in the 2018 MLS All-Star Game against Juventus, a 1–1 draw, and was named MVP.

On 24 August 2018, he scored his 28th goal of the season, a game winner in Orlando City, to break the league single-season record of 27, held by Roy Lassiter, Chris Wondolowski, and Bradley Wright-Phillips. After failing to capitalize on numerous opportunities, Martínez utilized his quick footwork to cut back against the defender and then chip Joe Bendik to set the record in just his 26th match. He was named MLS Player of the Month for August 2018.

On 6 August 2019, Martínez was awarded the MLS Player of the Month for July. He earned the award having scored in nine straight matches, tying his own MLS record set the previous season, which was also shared with Diego Valeri.

On February 29, 2020, in Atlanta United’s first game of the 2020 season, Martínez suffered a torn ACL against MLS debutant Nashville SC. Martínez is set to miss the entirety of the 2020 season.