Four different goalkeepers kept five clean sheets in the UEFA Champions League during the 2012/13 season.
FC Porto's Helton achieved the feat in the fewest matches as he managed five shutouts in just eight appearances.
Willy Caballero, then of Malaga, played nine matches for his five clean sheets, while the legendary duo of Gianluigi Buffon and Manuel Neuer ended on the same tally.
Roman Weidenfeller is next on the list after registering four clean sheets during the campaign for Borussia Dortmund.
Victor Valdes, Salvatore Sirigu and Artur Moraes also feature on the list with three clean sheets.
The top ten is completed by Diego Lopez and Christian Abbiati.