FT
Celtic
2
–
0
AIK Stockholm
—
FT
AIK Stockholm
1
–
4
Celtic
—
FT
Rennes
1
–
1
Celtic
—
FT
Celtic
2
–
0
CFR 1907 Cluj
—
FT
Celtic
2
–
1
Lazio
—
FT
Lazio
1
–
2
Celtic
—
FT
Celtic
3
–
1
Rennes
—
FT
CFR 1907 Cluj
2
–
0
Celtic
—
FT
FC Copenhagen
1
–
1
Celtic
—
FT
Celtic
1
–
3
FC Copenhagen
—
Faded rows: team matches without S. Welsh in the lineup