Kosovo were given permission to field former Albanian internationals Samir Ujkani and Alban Meha and ex-Norway player Valon Berisha on Monday, hours before their first-ever competitive international.
Fiorentina fell behind to a spectacular scissors-kick goal from Pandurii's Eric Pereira before hitting back in the last five minutes to win 2-1 on Thursday and lead a charge of teams into the Europa League knockout stages.
Heavyweights Arsenal, Atletico Madrid and Lazio took big steps towards reaching the Europa League semi-finals after convincing home first-leg victories and RB Leipzig also stayed on course with a 1-0 win over Olympique de Marseille on Thursday.
IMAGES from the Europa League matches played on Thursday
Fellow Serie A sides Atalanta and Lazio also won while Portugal's Vitoria Guimaraes began their match against Salzburg with not a single European player in the team.
IMAGES from the Euro 2020 qualifiers