The following list shows the chronological progression of the most expensive transfer in the history of the Serie A. All the buying teams are Italian.
The cost does not include the salary of the player, an aspect that in the last few decades the sports press usually merged.
However, the list is not complete, since in some cases between two consecutive transfers listed it is possible that there is a third one that for a period was the new record.
DatePlayerFromToCost July 1942 Valentino Mazzola and Ezio Loik Venezia Torino ₤1.25 million+The details of the agreement provided the transfer of Mazzola and Loik from Venice to Turin for the amount of ₤1.25 million and the transfer of Raúl Mezzadra and Walter Petron to the Venetian team, as a further adjustment. 19 September 1945 Silvio Piola Lazio Juventus ~₤2 millionThe agreement was structured as follows: ₤1.5 million in cash to be paid to Lazio and a friendly match to be played in Rome with tickets revenue (estimated around ₤0.5 million) in favor of Lazio itself. 20 August 1946 Osvaldo Fattori Vicenza Sampdoria ₤10 million 25 June 1949 Giuseppe Moro Bari Torino ₤53 million June 1952 Hasse Jeppson Atalanta Napoli ₤75 millionThe 105 million, often reported in recent sources, consisted of 75 million to Atalanta and 30 million salary to the player for the three years contract. 27 May 1957 Omar Sívori River Plate Juventus ~₤150 million ($ARS10 million) 10 July 1975 Giuseppe Savoldi Bologna Napoli ₤2 millionNapoli paid Bologna ₤1.4 million in cash with additional transfers of Sergio Clerici and Rosario Rampanti (co-owned with Turin), for the total amount of ₤2 million. June 1983 Zico Flamengo Udinese ~₤6 million ($US4 million) 30 June 1984 Diego Maradona Barcelona Napoli ~₤12.75 million ($7.5 million) 17 May 1990 Roberto Baggio Fiorentina Juventus ₤16 million 30 June 1992 Gianluigi Lentini Torino A.C. Milan ₤23 million July 1997 Ronaldo Barcelona Inter Milan ~₤48 million (Pta4 million) 8 June 1999 Christian Vieri Lazio Inter Milan ₤90 millionIn detail, Internazionale paid Lazio with ₤69 million and the sale of Diego Simeone, valued at ₤21 million. 10 July 2000 Hernán Crespo Parma Lazio ₤110 million ($35.5 million)In detail, Lazio acquired Crespo through the sale of Matías Almeyda (valued ₤45 million) and Sérgio Conceição (₤30 million) and ₤35 million in cash. 26 July 2016 Gonzalo Higuain Napoli Juventus €90 million 10 July 2018 Cristiano Ronaldo Real Madrid Juventus €100 million
See also List of most expensive association football transfers Football in Italy
References