Ñíguez signed a two-year loan contract with Scottish Premier League club Rangers on 13 August 2008, with an option to buy.[3] He made his official debut in the 7–1 defeat of Hamilton Academical on 6 December, coming on as a second-half substitute and immediately creating a goal for compatriot Nacho Novo.[4] He scored his first competitive goal for his new team in a Scottish Cup tie against Third Division side Forfar Athletic, and was booked for removing his shirt in celebration.[5] His second also came in the domestic cup, against Hamilton from the penalty spot, in what was his first start.[6]
On 7 June 2009, it was announced that the two-year loan would be terminated, and Ñíguez returned to Valencia late in the month.[7]
In July 2011, Ñíguez cut ties with Valencia and signed a five-year deal with another side in the second division, UD Almería.[10] On 7 January 2013, just hours after being released by the Andalusians, he joined another team in the same league, Elche CF, until June 2017.[11] He appeared in 16 games for the latter, which were promoted to La Liga after a 25-year absence.[12]
Ñíguez made his debut in the Spanish top flight on 19 August 2013, starting and being booked in a 3–0 away loss against Rayo Vallecano.[13] On 31 October he scored his first goal in the competition, in a 2–2 draw at Athletic Bilbao.[14]
Ñíguez moved to a third foreign league in late August 2015, signing for S.C. Braga of the Portuguese Primeira Liga.[16] After only 15 appearances in all competitions, he left the club.
Tenerife and Oviedo
On 30 August 2016, Ñíguez signed a one-year contract with CD Tenerife, returning to Spain and its second tier.[17] The following 3 July, he agreed to a two-year deal with Real Oviedo of the same league.[18]
A regular starter with the latter, Ñíguez lost his starting spot after the arrival of Yoel Bárcenas,[19] and terminated his link on 18 November 2018.[20]
Ñíguez returned to the Spanish second division on 4 March 2020, signing with Málaga CF until 30 June.[23] On 1 September, after Elche achieved promotion to the top flight, he rejoined the club after activating a clause in his previous contract.[24]
His older brother Jonathan (another midfielder) was also developed at Valencia, spending the vast majority of his senior career in the lower leagues. The youngest, Saúl, was brought up at Atlético Madrid.[28][29][30]
Career statistics
As of match played 6 January 2021
Appearances and goals by club, season and competition
^Gomis, Noe (1 September 2020). "El regreso de Aarón Ñiguez" [The return of Aarón Ñiguez] (in Spanish). Diario Franjiverde. Retrieved 4 September 2020.
^Sandoval, Koldo (8 December 2013). "Los Ñiguez, familia de futbolistas" [The Ñiguezes, footballing family] (in Spanish). Colgados por el Fútbol. Retrieved 13 January 2014.