FT
Lincoln Red Imps FC
1
–
0
Celtic
—
FT
Celtic
3
–
0
Lincoln Red Imps FC
—
FT
FC Astana
1
–
1
Celtic
—
FT
Celtic
2
–
1
FC Astana
—
FT
Celtic
5
–
2
Hapoel Beer Sheva
—
FT
Hapoel Beer Sheva
2
–
0
Celtic
—
FT
Barcelona
7
–
0
Celtic
—
FT
Celtic
3
–
3
Manchester City
—
FT
Celtic
0
–
2
Borussia Mönchengladbach
—
FT
Borussia Mönchengladbach
1
–
1
Celtic
—
FT
Celtic
0
–
2
Barcelona
—
FT
Manchester City
1
–
1
Celtic
—
Faded rows: team matches without M. Duffy in the lineup