This could be one of the biggest relegation battles of the season, because the loser may well say goodbye to hope of avoiding the drop, and they are both Serie A regulars.
Crotone are practically doomed and Udinese are 11 points clear of the relegation zone, but both teams are coming off a run of defeats and there's pride at stake.
Verona have had a surprisingly poor run of results lately and visit one of their bogey teams, Sampdoria.
Fiorentina are not yet entirely safe from the threat of relegation, but Franck Ribery returns against a Sassuolo side beset by injury problems.
