Struggling Napoli sacked Walter Mazzarri and brought in Slovakia coach Francesco Calzona on Monday, 48 hours before they host Barcelona.
Barcelona will face Napoli, while Arsenal were drawn against Porto, with the first legs to take place in mid-February and the return matches in March.
Struggling Napoli sacked Walter Mazzarri and brought in Slovakia coach Francesco Calzona on Monday, 48 hours before they host Barcelona.
Barcelona will face Napoli, while Arsenal were drawn against Porto, with the first legs to take place in mid-February and the return matches in March.