Serie B side Chievo have claimed that Joel Obi was racially abused at the hands of a Pisa player, who allegedly made an offensive "slave" comment to the ex-Inter man.
The Verona side drew 2-2 in Monday's league clash, a result that leaves them in ninth place in the second-tier standings.
But the game was overshadowed when, after full-time, Chievo accused midfielder Michele Marconi of directing abuse at Obi while on the pitch.
Editors' Picks
"Following the racist phrase 'the slave revolt' said by the Pisa player Michele Marconi to the midfielder Joel Obi during the first half of the Pisa - Chievo Verona match, the club expresses the utmost solidarity towards its player, the subject of a slanderous and bleak phrase, which has nothing to do with the most elementary and basic values u200bu200bof sport, ethics and respect," the club wrote on its official website following the match.