In July 2011, Saúl joined the Atlético main squad for pre-season training.[citation needed] On 8 March 2012, at the age of just 17 years and 108 days, he made his debut with the Atléticofirst team, playing the last six minutes of a 3–1 home win againstBeşiktaş in theUEFA Europa League.[7] His second appearance came on 20 September, again as asubstitute and in the Europa League, this time againstHapoel Tel Aviv.[8] Three days later, he scored both goals for Atlético B in a 2–1 awayderby win overReal Madrid C.[9]
Saúl made hisLa Liga debut on 21 April 2013, playing two minutes in a 1–0 win away toSevilla after replacing fellow youth graduateKoke.[10] Again from the bench, he appeared in his second league match with the main squad on 4 May, againstDeportivo La Coruña in a 0–0 draw.[11]
In aMadrid derby on 7 February 2015, Saúl replaced the injured Koke after ten minutes, and scored his team's second goal shortly after through abicycle kick, in a 4–0 win.[15] From the2015–16 season onwards, after the departure ofMario Suárez and the injury ofTiago Mendes, Saúl became a nuclear midfield element for theDiego Simeone-led team.[16][17]
On 27 April 2016, Saúl played 85 minutes in the first leg ofthe semi-finals of theUEFA Champions League againstFC Bayern Munich, and also scored the only goal at theVicente Calderón Stadium with an individual effort.[18] Starting inthe final against Real Madrid, he played the entire 120 minutes and successfully converted his attempt in thepenalty shoot-out, in a 5–3 loss.[19] The following 18 April, in the same competition but in the quarter-final, he scored through a header to help Atlético to a 1–1 draw away toLeicester City.[20] Also in that month, in an interview given toDiario AS, he admitted to having played for "two seasons" under extremely painful circumstances.[21]
On 1 July 2017, Saúl signed a new nine-year contract with Atlético.[22] He made nine appearances in the2017–18 Europa League, scoring three goals for the eventual champions.[23][24]
On 18 February 2020, Saúl scored from close range in the fourth minute of the2019–20 Champions League's round-of-16 first leg – his tenth goal in the competition[28]– against defending championsLiverpool to ensure a 1–0 home win for the hosts.[29] He also featured in the second leg atAnfield, playing the entire 3–2 extra-time victory.[30]
On 30 June 2020, Saúl scored twice frompenalties in a 2–2 draw away toBarcelona, as Atlético managed that number of goals against that opposition in a league match for the first time under Simeone.[31]
On 31 August 2021, Saúl joinedPremier League clubChelsea on loan for the remainder of the2021–22 season, with an option to make the transfer permanent upon the completion of the loan.[32] He made his Premier League debut on 11 September, in a 3–0 win againstAston Villa, but received criticism from fans for his performance.[33] He won theClub World Cup with Chelsea on 12 February 2022, coming on as a 76th minute substitute to replaceCallum Hudson-Odoi in a2–1 final victory againstPalmeiras. He scored his only goal of the season againstLuton Town in a 3–2FA Cup win on 2 March 2022.[34] Saúl posted his goodbye to Chelsea and the club's fans on 7 June 2022 as his loan spell ended and he returned to Atlético Madrid.[35]
On 24 September 2023, Saúl provided two assists and was named Man of the Match in a 3–1 victory over rivals Real Madrid, which also marked his 300th match in La Liga.[36]
Back with the full team, Saúl was selected in the squad chosen by managerJulen Lopetegui for the2018 FIFA World Cup in Russia.[46] FollowingFernando Hierro replacing the latter shortly before the tournament, he was an unused member in an eventual round-of-16 exit.[47]
Under new coachLuis Enrique, Saúl scored his first goal for his country on 8 September 2018, equalising in an eventual 2–1 win againstEngland for the2018–19 UEFA Nations League A atWembley Stadium.[48] He also scored againstCroatia in the following fixture three days later, a 6–0 victory in his hometown of Elche in the same competition.[47]
Amidfielder by trade,[47] Saúl was deployed as acentre-back during his spell at Rayo Vallecano.[49] Spanish football journalistGuillem Balagué stated that he suits several styles of play, citing his ability to play "Simeone style" (in reference to Atlético managerDiego Simeone) and "Barcelona style", summing up with "We have never had a midfielder like this".[47]
FollowingLuis Enrique's appointment as Spain manager in 2018,Diario AS' Alfredo Relaño remarked that "Saúl is the player to move the ball forward with purpose and attempt to finalise long passages of possession", adding that "The new centre of the park for Spain (where so much happens for the national side) is now defined by him, abox-to-box player and one never afraid to try his luck in front of goal",[49] Sid Lowe ofThe Guardian opined that "now he embodies the shift, technique and talent but athleticism too, blessed of impeccable timing, arriving in the area".[50]
Saúl comes from a football family: his father,Boria, played several years withElche as astriker.[51] His brothers,Aarón andJony, are also footballers where together they opened a football club based in the Spanish city of Elche named Costa City Club which has a very clear objective: to develop young players aged between 4 and 18 years through sport but also with food education and education.[52][53][54]
Saúl was one of the stars of theAmazon Prime television documentary seriesSix Dreams, recorded during the 2017–18 season.[55] In June 2020, he announced that he and his brother Aarón would be starting a new youth project withNike called Club Costa City, in his hometown.[56]
^Lechuga, Juan Ignacio (15 March 2018)."En Europa, mejor llamen a Saúl" [In Europe, better call Saúl].ElDesmarque (in Spanish). Retrieved18 April 2020.
^Sandoval, Koldo (8 December 2013)."Los Ñiguez, familia de futbolistas" [The Ñiguezes, footballing family].Colgados por el Fútbol (in Spanish). Retrieved2 February 2015.
^"Real Madrid – At. Madrid" (in Spanish). Royal Spanish Football Federation. 17 May 2013. Archived fromthe original on 8 June 2013. Retrieved29 January 2015.