Chelsea and Napoli have moved a step closer towards the quarter-finals of the UEFA Europa League, while Arsenal face an uphill task in reaching the next round.
The Gunners suffered a 3-1 defeat away to French side Rennes in the first leg of their last-16 match, while Chelsea outclassed Dynamo Kiev 3-0 and Napoli beat Red Bull Salzburg 3-0.
In other games, Villarreal were 3-1 winners away at Zenit St Petersburg, Sevilla were held 2-2 by Slavia Prague and Valencia overcame Krasnodar 2-1.
Elsewhere, Dinamo Zagreb registered a 1-0 home win over Benfica, while in the clash of former champions, Eintracht Frankfurt and Inter Milan played out a goalless draw.

UAE's Ben Sulayem secures second term as FIA president
Liverpool boss Slot to meet Salah amid tension
Abu Dhabi achieves record 339,000 visitors at Grand Prix
New Zealand romp to victory over West Indies in second test
