|Full name||Mario Junior Rondón Fernández|
|Date of birth||26 March 1986|
|Place of birth||Caracas, Venezuela|
|Height||1.82 m (5 ft 11 1⁄2 in)|
|2010||→ Beira-Mar (loan)||10||(1)|
|2015–2016||Shijiazhuang Ever Bright||31||(6)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 30 October 2016.
‡ National team caps and goals correct as of 17 November 2015
After scoring 11 goals in his last year, Rondón moved straight into the Primeira Liga after signing with F.C. Paços de Ferreira in the 2009 summer. Rarely used in his debut season he finished it on loan to second level's S.C. Beira-Mar, featuring relatively as the Aveiro team returned to the main category after a three-year absence.
Rondón returned to Paços for 2010–11. In the first game of the season, against Sporting Clube de Portugal on 14 August, he scored the only goal for a home win, eventually finishing as the club's top scorer with nine league goals and adding four in the campaign's Portuguese League Cup, where his team reached the final against S.L. Benfica (1–2 loss).
On 14 July 2011, Rondón joined C.D. Nacional on a five-year contract, for an undisclosed fee. He scored a career-best 12 goals in 30 games in his third year, helping the Madeirans to the playoff round of the UEFA Europa League.
On 28 February 2015, Rondón transferred to Chinese Super League newcomer Shijiazhuang Ever Bright FC. He scored the club's first-ever goal in the competition on 9 March, but in a 1–2 loss at Guangzhou Evergrande FC.
Rondón gained his first cap for Venezuela on 25 March 2011, coming on as a 78th-minute substitute for Alejandro Moreno in a 2–0 friendly away win over Jamaica. He scored his first goal in another exhibition match, a 1–3 loss in South Korea on 5 September 2014.
- Scores and results list Venezuela's goal tally first.
|1.||5 September 2014||Bucheon Stadium, Bucheon, South Korea||South Korea||1–0||1–3||Friendly|
|2.||9 September 2014||International Stadium, Yokohama, Japan||Japan||1–1||2–2||Friendly|
|3.||12 November 2015||Hernando Siles, La Paz, Bolivia||Bolivia||1–2||2–4||2018 World Cup qualification|
- Late Hulk strike gives Porto victory; PortuGOAL, 15 August 2010
- Bwin Cup final: Benfica make it three in a row!; PortuGOAL, 23 April 2011
- "Rondón certo por 5 épocas" [Rondón confirmed for 5 seasons] (in Portuguese). Record. 14 July 2011. Retrieved 14 July 2011.
- 委内瑞拉国脚加盟永昌获官宣 鲁能旧将联袂加盟 (in Chinese). Netease. 28 February 2015. Retrieved 10 March 2015.
- 前葡超锋霸轰无解世界波 河北足球终获中超历史首球 (in Chinese). Ifeng. 10 March 2015. Retrieved 10 March 2015.
- "La Vinotinto perdió 3 goles por 1 ante Corea del Sur" [La Vinotinto lost against South Korea by 3 goals to 1] (in Spanish). Puro Vinotinto. 8 September 2014. Retrieved 13 November 2015.
- "M. Rondón – Matches". Soccerway. Retrieved 11 December 2016.