Their respective second legs kick off at 8pm.
West Ham trail Eintracht Frankfurt by 2 goals to 1 going into their Europa League semi final second leg in Germany tonight.
Hammers boss David Moyes is banking on his players to show sufficient resilience.
Rangers host RB Leipzig, 1-nil down from the first leg.
In the Conference League semi finals, it's 1-1 between Roma and Leicester City entering their second leg in the Italian capital.
Feyenoord bring a 3-2 lead to Marseille ahead of the second leg of their encounter.
All of the matches kick off at 8.

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