1970–71 European Cup Winners' Cup
The 1970–71 season of the European Cup Winners' Cup football club tournament was won by Chelsea in a replay against Real Madrid. Defending champions Manchester City were eliminated by Chelsea in the semi-finals, only the second ever tie in the competition between two clubs from the same country. The finals was played in Karaiskakis Stadium in Piraeus, Greece.First round
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----Second leg
CSKA Sofia won 11-1 on aggregate.
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Steaua București won 4-3 on aggregate.
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Bologna 1-1 Vorwärts Berlin on aggregate. Vorwärts Berlin won on away goals.Second round
First leg
----Second leg
Chelsea won 2-0 on aggregate.
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PSV Eindhoven won 7–0 on aggregate.Quarter-finals
Semi-finals
First leg
----Second leg
Chelsea won 2-0 on aggregate.
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Real Madrid won 2-1 on aggregate.Final
Replay