Genoa (Italy), "Luigi Ferraris" Stadium, August 23, 1971. The line-up of Genoa 1893 took to the pitch prior the preseason frendly versus SL Benfica (1-2). From left to right, standing: Antonio Lonardi, Walter Speggiorin, Sergio Cini, Maurizio Turone, Franco Ferrari, Alberto Benini; crouched: Boero (masseur), Luigi "Gigi" Simoni, Roberto Derlin (captain), Mario Manera, Attilio Perotti, Giorgio Bittolo.
This  JPG <a href="https://en.wikipedia.org/wiki/Computer_graphics" class="extiw" title="w:Computer graphics">graphic</a> was created with <a href="https://en.wikipedia.org/wiki/GIMP" class="extiw" title="w:GIMP">GIMP</a>.
<a rel="nofollow" class="external text" href="https://www.fondazionegenoa.com/2021/06/06/addio-a-roberto-derlin-una-vita-da-mediano-con-il-genoa-in-tre-categorie-diverse/">Addio a Roberto Derlin, «una vita da mediano» con il Genoa in tre categorie diverse</a> <span style="font-size: 0.95em; font-weight: bold; color:#555; position: relative;">(in Italian)</span>. <i>fondazionegenoa.com</i> (<span class="mw-formatted-date" title="2021-06-06">June 6, 2021</span>). (<a href="//commons.wikimedia.org/wiki/File:1971-08-23_Genoa_1893.jpg" title="File:1971-08-23 Genoa 1893.jpg">original photo</a>)