Jony signed a new two-year deal with the latter's first team on 7 May 2014.[7] He played his first match as a professional three days later, starting and scoring the first goal in a 2–1 home win over Hércules CF in the Segunda División.[8]
In the 2014–15 campaign, Jony contributed seven goals in 41 appearances as the Rojiblancos returned to La Liga after a three-year absence.[9] He made his debut in the competition on 23 August 2015, starting the 0–0 home draw against Real Madrid.[10]
Jony scored his first goal in the Spanish top flight on 23 September, but in a 2–1 loss at Rayo Vallecano.[11]
Málaga
On 23 June 2016, Jony signed a four-year contract with fellow top-division club Málaga CF after his contract with Sporting expired.[12] On 12 January 2018, he returned to Sporting on loan until the end of the second-tier season.[13] In April, he was named Player of the Month for the previous month.[14]
Jony joined SS Lazio on 23 July 2019.[16] His maiden Serie A appearance took place on 1 September, when he came on as a 78th-minute substitute in the 1–1 home draw with AS Roma.[17]
On 20 September 2020, Jony moved to CA Osasuna on loan until 30 June 2021 with an option to buy.[18] On 30 January 2022, he returned to Sporting on another loan;[19] the move was extended at the latter in July for another year.[20]
Cartagena
On 1 September 2023, Jony signed a one-year contract with FC Cartagena after terminating his link with Lazio.[21] The following January, having totalled just 66 competitive minutes, he was released.[22]
^"Jony regresa al Real Sporting" [Jony returns to Real Sporting] (Press release) (in Spanish). Sporting Gijón. 30 January 2022. Archived from the original on 30 January 2022. Retrieved 30 January 2022.