Turin (Italy), Communal Stadium, June 14, 1957. From left to right: the first training session together for the two new signings of Juventus F.C. for the 1957–58 season, John Charles and Omar Sívori, with teammate and captain Giampiero Boniperti.
LaPresse
<a rel="nofollow" class="external text" href="https://tg24.sky.it/sport/approfondimenti/giampiero-boniperti">Addio a Giampiero Boniperti, una vita alla Juventus da giocatore e presidente</a> <span style="font-size: 0.95em; font-weight: bold; color:#555; position: relative;">(in Italian)</span>. <i>tg24.sky.it</i>.