Arsenal will hope to avoid trips to Turkey or Ukraine when the Champions League play-off round draw is made on Friday.
Linfield progressed into the second qualifying round for the Europa League with a 3-0 victory over IF Fuglafjordur.
An Ajax fan suffered "serious head injuries" after falling from the stand during Champions League win over Barcelona.
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"I don't know what it is but it seems every time Liverpool play against us they tear us apart. Lovely..."