Champions Frankfurt began their defence with victory at Standard Liège while there were thrilling wins for Slavia Praha and Verona in Wednesday's round of 32 first legs.
Kick out COVID-19 by following the World Health Organization and FIFA's five steps to help stop the disease’s spread.
1. Wash hands 2. Cough into bent elbow 3. Don't touch your face 4. Keep physical distance 5. Stay at home if unwell.
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