Barcelona extended their winning start to their title defence to six games when Neymar scored his debut La Liga goal and Lionel Messi netted his seventh of the season in an entertaining 4-1 victory at home to Real Sociedad on Tuesday.
Ronaldo said the quality of the Saudi competition had improved even in his short time in it.
Atletico Madrid's Jackson Martinez scored his first goal for the club when he came off the bench and curled in a superb effort to seal a hard-fought 3-0 victory at Sevilla in La Liga on Sunday.
Barcelona forward Ousmane Dembele scored twice and produced a mesmerising display to fire his side to a 5-1 win over Villarreal on Wednesday which stretched the champions' unbeaten run this season to 36 games with two remaining.
Villarreal's slide continued as a Diego Castro header gave Getafe a 1-1 draw in La Liga on Sunday but the match was overshadowed by a serious injury to Mateo Musacchio.
Leaders Barcelona survived red cards for Gerard Pique and Rafael Marquez to complete a 2-1 victory over Getafe in La Liga on Saturday while Real Madrid kept pace with a 3-0 win at home to Espanyol.
Midfielder Dani Ceballos added: "It looks like us changing our coach worked. We have recovered some sensations we had lost and we have got the three points. Now our objective is to win all the games left and finish the season as well as possible."
After scoring, Messi stopped and pointed from the field at the team co-owner David Beckham, who was watching the game. The gesture was met with a wide smile from the former Manchester United great who helped lure Messi to the MLS despite a massive counter offer from Saudi Arabia.
Sevilla secured third place in the Primera Liga and automatic qualification for the Champions League when a last-minute header from Diego Perotti earned them a 1-0 home win over Deportivo Coruna on Saturday.
The home side spurned two chances to extend their advantage before the break but Barca levelled in the 52nd minute when Luis Suarez glanced in Lionel Messi's free kick.
Lionel Messi marked his 300th La Liga appearance with a record-equalling hat-trick and an assist for Neymar as Barcelona stayed hard on the heels of leaders Real Madrid with a 5-0 romp at home to Levante on Sunday.
Atletico Madrid extended their dominance over neighbours Real with a 1-0 derby win on Saturday that leaves the Bernabeu team virtually out of the Liga title race.
Real Madrid will go into next weekend's La Liga El Clasico at Barcelona eight points behind their great rivals after Cristiano Ronaldo netted a hat-trick in a 5-1 comeback win at home to promoted Deportivo Coruna on Sunday.
Real Madrid opened a two-point lead over Villarreal at the top of La Liga when Cristiano Ronaldo set a club scoring record in a 3-0 stroll at home to Levante on Saturday.
Barcelona twice came from behind to rescue a point in a 2-2 draw at Valencia while Real Madrid dropped points again in a goalless affair at Racing Santander in La Liga on Wednesday.
Re-signed by Atletico, the Frenchman to stay at the club till 2026.
Atletico Madrid have been unable to repeat the magnificent achievements of last season in this campaign but can congratulate themselves on a job well done if they secure a lucrative Champions League berth on Saturday.
Barca had been trying to sign the 21-year-old right back for $6.5 million in a deal
Real Madrid brushed off the absence of Cristiano Ronaldo and Gareth Bale to beat Espanyol 2-0 away and maintain their 100 per cent start to the league season while matching the La Liga record of 16 consecutive victories.
Barcelona and Real Madrid both drew away against sides battling relegation in La Liga on Saturday as the top two focused their attentions on next week's Champions League quarter-finals.
Real Madrid extended their unbeaten run to 25 matches and rejoined Barcelona and Atletico Madrid at the top of La Liga when Jese, Karim Benzema and Luka Modric scored in a 3-0 win at Getafe on Sunday.
Man Utd sign Mount from Chelsea on five-year deal
Barca's second-half stamina key to their massive lead in the standings this season
A red hot Luis Suarez scored four goals and contributed three assists as Barcelona's stuttering La Liga title charge sparked back to life with a spectacular 8-0 thrashing of Deportivo La Coruna on Wednesday.
Real Madrid followed up Tuesday's Champions League success at Manchester United by climbing above beaten city rivals Atletico into second in La Liga when Cristiano Ronaldo struck twice in a 2-1 win at second-bottom Celta Vigo on Sunday.
Lionel Messi netted the 400th goal of his storied career on Saturday as Barcelona trounced Granada 6-0 to maintain the pace at the top of La Liga.
Photos from the La Liga matches played on Sunday
Lionel Messi created a goal and scored another as Barcelona came from behind to beat struggling Rayo Vallecano 3-1 at home on Saturday and stay seven points clear at the top of La Liga.
Atletico Madrid cruised to a 3-0 home win over Real Sociedad on Tuesday to close the gap behind La Liga leaders Barcelona to five points.
Antoine Griezmann and Samuel Lino scored in each half to give Atletico Madrid a 2-0 win over Lazio on Wednesday that secured them top spot in Champions League Group E, the first time since 2016 that they had reached the knockouts as group winners.
Real Madrid's early-season woes deepened when they lost 2-1 at home to La Liga champions Atletico Madrid, while substitute Neymar struck twice in Barcelona's 2-0 win against visiting Athletic Bilbao on Saturday.
Reaching the King's Cup final is of even greater importance than usual for Real Madrid following a demoralising setback in La Liga.
Barcelona closed in on the LaLiga title as they picked up a 1-0 win over Osasuna and holders Real Madrid went down to
Lionel Messi scored in his 12th consecutive La Liga game to help leaders Barcelona earn a 1-1 draw at Valencia, allowing second-placed Atletico Madrid to close to within nine points after a 1-0 win over Real Betis on Sunday.
Images from the UEFA Champions League group matches played on Tuesday night.
Real Madrid romped to a 4-1 win at tiny Eibar on Saturday, provisionally returning to the top of La Liga, despite the absence of Gareth Bale and Cristiano Ronaldo for Zinedine Zidane's side.
Karim Benzema netted a second-half hat-trick as Real Madrid got back to winning ways with a 3-0 victory over Athletic Bilbao in La Liga on Sunday.
Real Sociedad will join Atletico Madrid, Real Madrid, and LaLiga champions Barcelona in Europe's elite club competition next season.
Valencia's Paco Alcacer and Dani Parejo both hit doubles in a surprise 5-1 away thrashing of high-flying Celta Vigo in La Liga on Saturday.
Real Madrid strikers Karim Benzema and Gonzalo Higuain are doubts for the trip to play Levante in La Liga on Sunday, a ground that has proved an uncomfortable venue for Jose Mourinho's side over the last two seasons.