Antoine Griezmann scored four times as second-placed Atletico Madrid closed the gap between them and La Liga Leaders Barcelona to four points with a 4-0 home thrashing of Leganes on Wednesday evening.
After Griezmann struck the crossbar and Gerard Gumbau did so at the other end, the France international slotted in the opener in the 26th minute, having been teed up by Koke.
Nine minutes later, he unleashed another excellent free kick, with this one finding the net, and he then completed his hat trick -- his second in two games -- in the 56th minute via a header.
Griezmann subsequently added a fourth in the 67th minute, connecting with a Diega Costa cross, as Atletico followed up Sunday's 5-2 win at Sevilla with another emphatic triumph.
Barcelona have the chance to go seven points clear of them again on Thursday when they face Las Palmas away.
Atletico are now 10 points clear of third-placed Real Madrid, who lost 1-0 at Espanyol on Tuesday.
Barcelona's Ousmane Dembele and Lionel Messi were on target as the Copa del Rey holders thrashed Levante 3-0 at the Nou Camp on Thursday for a 4-2 aggregate win to reach the quarterfinals.
Real Madrid limped into the quarterfinals of the Copa del Rey on Wednesday, losing 1-0 at Leganes with an another lacklustre performance yet still advancing 3-1 on aggregate.
Injury-hit Real Madrid snatched a 2-1 victory at Real Betis on Sunday, earning their first La Liga win of the year thanks to a late free kick from Dani Ceballos to return to the top four.
Luis Suarez scored twice while Lionel Messi scored his 400th La Liga goal as Barcelona re-opened a five-point lead over second place Atletico Madrid in La Liga with a 3-0 win over Eibar.
Sevilla's hopes of staying in the La Liga title race faded further with a 2-0 defeat on Sunday at struggling Athletic Bilbao, who boosted their chances of survival with two wonderful goals from Inaki Williams.
Antoine Griezmann proved to be Atletico Madrid's decisive figure yet again as the Frenchman struck the only goal in a 1-0 win at home to Levante on Sunday which kept Diego Simeone's side in touch with La Liga leaders Barcelona.
Barcelona's recent iron grip on the Copa del Rey came under threat as they lost 2-1 at Levante in their last-16 first-leg tie on Thursday after resting a host of first team regulars, including Lionel Messi and Luis Suarez.
Real Madrid pulled away from Leganes in the second half for a 3-0 win in their Copa del Rey first-leg tie on Wednesday.
Atletico Madrid earned a 1-1 draw away to Girona in a chaotic and entertaining Copa del Rey last 16 first-leg match on Wednesday, leaving the tie finely balanced.