The 1969–70 season saw the first Dutch winners of the competition. Rotterdam-based club Feyenoord knocked out the defending champions, Milan in the second round, before defeating Celtic in the final. In the 1970–71 season Ajax won the title, beating Greek side Panathinaikos in the final. the season saw a number of changes, with penalty shoot-outs being introduced, and the away goals rule being changed so that it would be used in all rounds except the final. It was also the first time a Greek team reached the final, as well as the first season that Real Madrid failed to qualify, having finished sixth in La Liga the previous season. Ajax would go on to win the competition three years in row (1971, 1972, and 1973). Followed by Bayern Munich winning the competition three years in a row (1974, 1975, and 1976).