He returned to London from the coaches' conference in Nyon with support for an idea that would see the teams beaten in the last 16 of the Champions League handed Europa League knockout stage places.
"The teams dropping from Champions League to the Europa League shouldn't be the teams that qualify third in the group," said Villas-Boas, who won Europe's second club competition with Porto last season.
"It should be the teams that go on to the last 16 of the Champions League.
"Because it looks like you are promoting the unsuccessful teams in the group phase.
"Most of them, they want to qualify as one of the two top teams.
"A lot of people agreed."