Greif, who denied Brais Mendez's penalty during regular time, thwarted Mikel Oyarzabal's attempt at the beginning of the shootout, following a 1-1 deadlock after 120 minutes.
Atletico keeper Jan Oblak showcased remarkable skill in the 20th minute, executing a brilliant double save to thwart Rodrygo and Vinicius Jr, while his teammates appealed for offside.
Atletico keeper Jan Oblak showcased remarkable skill in the 20th minute, executing a brilliant double save to thwart Rodrygo and Vinicius Jr, while his teammates appealed for offside
The Catalans picked up their first silverware of the season and gained revenge for their Spanish Super Cup defeat by Athletic in January with a convincing victory, DPA reported.
Sociedad ended a three-decade title drought on Saturday when it beat fierce Basque rival Athletic Bilbao 1-0 in the delayed 2020 cup final held in Seville
Levante have never played a cup final, but went into the game with a slight advantage after a 1-1 draw in Bilbao three weeks ago. A 0-0 would have seen them through.
Pedri was a surprise starter for Barca just days after being diagnosed with a calf injury, while Tomas Vaclik returned in goal for Sevilla on Wednesday, Xinhua news reports.
Barcelona on Wednesday night trailed 2-0 in the 88th minute before an own goal and a header from Jordi Alba saw them take the game to extra time, reports Xinhua news agency.
Zinedine Zidane rested some first-team regulars, but a side containing Lucas Vazquez, Marcelo, Isco and Casemiro should still have been far too strong for their rivals.