Fiorentina tasted defeat for the first time in the Conference League this season.
Despite a run of poor results in the Serie A, Fiorentina went into the tie as favorites having won their two previous matches.
However, Daniele Gallopa’s men faced an equally in-form Mainz at the Mewa Arena with two wins in two matches.
Swiss midfielder, Simon Sohm put the visitors ahead after nine minutes off a simple pass from Roberto Piccoli.
Fiorentina defender deep and protected their lead heading into the break with a goal lead.
However, this host got back into the tie after the hour mark as Jae-Sung Lee found Benedict Hollerbach in space with a fine pass.
Hollerbach made no mistake as he buried the ball into the back of the net to make the scoreline even.
Italian striker, Moose Kean missed a glorious chance to put Fiorentina back ahead buy failed to direct his effort on target.
Mainz sealed the win in the fifth minute of added tome with a Japanese-Korean onnection as Jae-Sung Lee met Kaishiru Sano’s lofted pass with a header to help Mainz remain unbeaten.
Meanwhile, Slovenian side, Celje remain unbeaten in the Conference League group stage.
Celje came from a goal down to beat Legia Warsaw 2-1 courtesy of two second half goals from Nikita Iosifov and Zan Karnicnic.
Samsunspor are also unbeaten so far in the Conference League.
The Turkish Super League side brushed aside Malta’s Hamrun in a 3-0 victory at home.
