Unless I'm mistaken, only one of the penalty saves from earlier in the day will be registered (the retake, vs. Noa Lang). In modern top-flight football, the record in one competition probably belongs to Samir Handanović (who saved 5 consecutive penalties in the Serie A in 2014). Others have saved 4, but mostly in shootouts — Helmuth Duckadam is pre-eminent among them as he did that in the 1986 European Cup final. An impressive feat all the same, aye; Costa has established a new single-season Champions League record, and is already in the upper echelons of the All-Time Champions League rankings...
- Iker Casillas (7 total penalties saved)
- Andriy Pyatov and Petr Čech (5 total penalties saved)
- Gianluigi Buffon, Keylor Navas, Marc-André ter Stegen and Manuel Neuer (4 total penalties saved)
- Antonis Nikopolidis, Diogo Costa, Ederson Moraes, Grégory Coupet, Jan Oblak, Joe Hart, Kevin Trapp and Oliver Kahn (3 total penalties saved)