1977 Copa Libertadores finals
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| Event | 1977 Copa Libertadores de América | ||||||
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| Boca won the penalty shootout of the playoff 5-4. | |||||||
| First Leg | |||||||
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| Date | September 6, 1977 | ||||||
| Venue | Estadio Alberto J. Armando, Buenos Aires | ||||||
| Referee | Roque Cerullo (Uruguay) | ||||||
| Second Leg | |||||||
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| Date | September 11, 1977 | ||||||
| Venue | Mineirão, Belo Horizonte | ||||||
| Referee | César Orozco (Peru) | ||||||
The 1977 Copa Libertadores Finals was the final two-legged tie to determine the 1977 Copa Libertadores champion. It was contested by Argentine club Boca Juniors and Brazilian club Cruzeiro. The first leg of the tie was played on September 6 at Boca Juniors' home field, with the second leg played on September 11 at Cruzeiro'. It was Boca Juniors and Cruzeiro 2nd Copa Libertadores finals.
Boca Juniors won the series after winning penalty shootout of a tie-breaking playoff 5-4 at Montevideo's Estadio Centenario.
Rules
The finals will be played over two legs; home and away. The team that accumulates the most points —two for a win, one for a draw, zero for a loss— after the two legs will be crowned the champion. If the two teams are tied on points after the second leg, a playoff in a neutral venue will become the next tie-breaker.
Matches
First leg
Boca Juniors  | 1 – 0 |  Cruzeiro |
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Veglio  4' |
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Second leg
| Cruzeiro | 1 – 0 | Boca Juniors |
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| Nelinho 76' |
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Third leg
| Boca Juniors | 0 – 0 | Cruzeiro |
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| Penalties | ||
Mouzo  Tesare Zanabria Pernía Felman |
5 – 4 | Darci Neca Moraes Livio Vanderlei |
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