Pisa were unable to mount a serious comeback, and Roma held firm to secure their second win of the season
In the dying minutes, substitute Christian Pulisic sealed the result with a well-taken finish
The Bundesliga vice-champions struck three times before the break
The club, newly promoted to the Italian top flight, replaces one legendary striker with another
This marks a return to the Stadio Via del Mare for Di Francesco
Napoli continued their march toward the Serie A title with a narrow but crucial away win