|Full name||Marcelo Alejandro Paez Larrondo|
|Date of birth||August 16, 1988|
|Place of birth||Tunuyán, Argentina|
|Height||1.91 m (6 ft 3 in)|
|2008–2013||→ Fiorentina (loan)||7||(2)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 18 May 2014.
† Appearances (Goals).
In the summer of 2008 he was signed by Siena where he trained with the under-20 squad. That year the Siena under-20 team reached the finals of the Campionato Primavera, where he scored two goals in the quarter-finals. He made his debut for the first team in a Serie A match between Siena and Lazio, ending 1–1.
On 12 November 2009 he scored the second goal in a 2–0 victory over Grosseto during Coppa Italia. He scored his first goal in Serie A on 21 March 2010 during Siena-Bologna, ending 1–0. At the end of the season Siena were relegated to Serie B, where Larrondo made his on 21 August 2010 during a 1–1 draw with Pescara. He scored his first goal in Serie B the following match during a 2–1 home victory over Reggina. At the end of the season Siena were promoted back to Serie A, with Larrondo contributing 6 goals in 27 appearances.
On 18 January 2013 Larrondo was signed by Fiorentina on loan for €300,000, with the option to purchase 50% of his contract for €1 million. He made his debut with the Viola on 3 February 2013 against Parma as a substitute for Luca Toni. He scored his first, and the winning goal for Fiorentina during a 2–1 over Chievo. He scored again during a 2–0 victory over Atalanta. At the end of the season he returned to Siena.
On 30 July 2013 he was sold to Torino in co-ownership, with whom he signed a three year contract with an option for a fourth. He debuted 17 August 2013 in the third round of Coppa Italia, lost 1–2 against Pescara. In only his third appearance for Torino, Larrondo broke his foot in a 2–2 draw with Milan - causing him to miss much of the season. He also required stitches after an alleged elbow from Nigel de Jong. He returned 9 February 2014, but was injured once again in March. He scored his first goal for Torino in the final game of the season against his former team, Fiorentina (2–2). On 20 June 2014, the co-ownership agreement with Siena was resolved in favour of Torino.
- "Convocati Toro, out Larrondo". Toro.it. Retrieved 15 March 2014.