Representatives from all three Premier League clubs were in attendance as the Bulgarian outfit lost their round of 32 first-leg clash to FC Copenhagen 2-1, although Cafu set up a couple of good chances.
The 25-year-old was linked with a move to England in January with Leicester, Everton and West Ham all said to be chasing his services.
Cafu joined the Bulgarian champions from Brazilian outfit Sao Paulo for a meagre £1.9m in July 2015 and collected the award for best foreign player in his debut season.
Ludogorets will be looking to make a hefty profit on their investment in the summer when the expected bidding war gets under way.
Pedro stepped off the bench to send Chelsea into the FA Cup semi-finals after they beat Leicester 2-1 at the King Power Stadium on Sunday evening.
RB Leipzig came from behind at the Red Bull Arena to end a run of four winless games and defeat Bundesliga leaders Bayern Munich 2-1 on Sunday.