 Complete the following phrase:  On 22 November 1969, Riva scored a famous diving header in a 30 away win in a World Cup qualifying match against East Germany, at the Stadio San Paolo in Naples, which sealed Italys place at the 1970 World Cup; prior to the tournament, he had scored 19 goals in only 16 matches. At the 1970 World Cup in Mexico, much was expected of Riva; however, he initially underperformed in the first round, failing to score in each of Italys three group matches, although both Riva and his strike-partner Angelo Domenghini saw their goals wrongly disallowed for offside in Italys final group match, a 00 draw against Israel on 11 June. Following his disappointing and goalless performances in the group stage, and much media criticism and scrutiny, Riva finally opened his account in the World Cup in the second round. On 14 June, he helped Italy defeat the hosts Mexico 41 in the quarter-finals, scoring two goals, both from Gianni Rivera assists, forming a notable offensive partnership with the Milan playmaker in the knock-out rounds of the competition. Riva subsequently netted a crucial extra-time goal  his 22nd in 21 international appearances  against West Germany in Italys 43 semi-final victory on 17 June, which is colloquially known as the 