Copied from other site, all that have tried at least twenty times in Serie A:
92,31% mario maraschi (24/26)
92,31% marco van basten (24/26)
88,89% abel balbo (24/27)
88,24% diego maradona (30/34)
87,50% romeo menti (21/24)
85,71% agostino di bartolomei (18/21)
85,71% paolo rossi (18/21)
85,21% roberto boninsegna (29/34)
85,19% bruno giordano (23/27)
85,00% lothar matthäus (17/20)
85,00% onesto silano (17/20)
Del Piero? He's missed 9 at Juve.