Joaquín Ardaiz

Danubio

Born in Salto, Ardaiz joined Danubio's youth setup in 2012, from Club Saladero. Promoted to the main squad ahead of the 2016 campaign, he appeared in friendlies against Brazilian sides Grêmio and Cruzeiro before making his official debut on 14 February, coming on as a second-half substitute for Marcelo Saracchi in a 1–0 away loss against Cerro. On 21 February 2016, Ardaiz scored the equalizer in a 3–3 home draw against El Tanque Sisley. The following 16 January, he was sold to a group of English investors, having 70% of his federative rights acquired; he was assigned to El Tanque Sisley, and was immediately loaned back to Danubio.

Loan to Royal Antwerp

On 28 August 2017, Ardaiz moved abroad for the first time in his career after agreeing to a one-year loan deal with Royal Antwerp FC. He made his debut for the club on 22 September, replacing William Owusu late into a 3–0 home win against KV Kortrijk. Ardaiz scored his first goal abroad on 29 October 2017, netting his team's first in a 2–2 away draw against Royal Excel Mouscron.

Loan to Frosinone

On 17 August 2018, Ardaiz joined Italian side Frosinone on a year-long loan with an option to buy. On 22 January 2019, Ardaiz return to Chiasso.

Loan to Vancouver Whitecaps FC

On 8 February 2019, Ardaiz joined Major League Soccer side Vancouver Whitecaps FC on a season-long loan.

Lugano

On 19 August 2020, Ardaiz joined Swiss Super League side Lugano.

Schaffhausen…

Ardaiz represented Uruguay at under-15 and under-20 levels.

As of 8 September 2022

Ardaiz's elder brother Matías de Los Santos is also a footballer.