Aston Villa, Nottingham Forest and Crystal Palace have all progressed to European semifinals, with Villa's 4-0 thumping over Bologna the standout result.
Unai Emery's side built on their 3-1 advantage as Ollie Watkins netted his 100th goal for Villa, and finishes from Emiliano Buendía, Morgan Rogers and Ezri Konsa capped off a dominant display.
Forest were pushed all the way by a ten-man Porto side, but Morgan Gibbs-White's deflected shot was enough to suffice a 2-1 win, sealing their first European semifinal in 42 years.
Villa and Forest will meet in the Europa League semifinals, with a place in the final in Istanbul hanging in the balance.
Elsewhere in the Conference League, Palace fell to a 2-1 defeat to Fiorentina, but their 3-0 win at home last week proved crucial to propel them into a first-ever European semifinal.
Relive the thrilling action below.