Nottingham Forest reached their first European semi-final since 1984 as they set up an all-English Europa League last-four meeting with Aston Villa after overcoming 10-man Porto 1-0 at the City Ground to progress 2-1 on aggregate.
AZ Alkmaar chose to rest star striker Troy Parrott as they failed to overturn a 3-0 first-leg deficit in their home UEFA Conference League tie with Shakhtar Donetsk.