FT
Napoli
0
–
1
AZ Alkmaar
—
FT
Real Sociedad
0
–
1
Napoli
—
FT
HNK Rijeka
1
–
2
Napoli
—
FT
Napoli
2
–
0
HNK Rijeka
—
FT
AZ Alkmaar
1
–
1
Napoli
—
FT
Napoli
1
–
1
Real Sociedad
—
FT
Granada CF
2
–
0
Napoli
Sub
FT
Napoli
2
–
1
Granada CF
Sub
Faded rows: team matches without D. Costanzo in the lineup