Fiorentina coach Vincenzo Montella is wary of Europa League opponents Tottenham.
The two teams were drawn together for the final 32.
"They're a tricky opponent," Montella cautioned.
"At the moment their position in the Premier League [7th] doesn't reflect the true value of this team, which is very technically gifted.
"We must also take into account that whether they'll take advantage of the January market to add to an already strong team with a midfield of absolute quality.
"Having said that, I know my players, and I know they'll do their best as always.
"We know how difficult it is to play in English stadiums, the crowd are always very, very passionate, but after that we'll play at [Artemio] Franchi and our fans can help us."