Tranquillo Barnetta ha deciso di tornare in Svizzera, nella squadra con cui 14 anni fa ha iniziato la sua carriera da calciatore professionista. L'ex nazionale rossocrociato vestirà infatti, a partire dal primo gennaio 2017, la maglia del San Gallo, con cui si è accordato fino all'estate 2019.
Dopo la lunga esperienza in Germania (2004-2015), dove ha giocato per Bayer Leverkusen, Hannover, Schalke 04 e Eintracht Francoforte, il 31enne ha intrapreso, come tanti suoi colleghi, il viaggio oltre oceano per accasarsi in Major League Soccer, dove dal 2015 ha difeso i colori dei Philadelphia Union. Selezionato 74 volte nella Nazionale maggiore, il sangallese riparte dunque dal suo club formatore con il quale tra il 2002 e il 2004 ha disputato 60 partite realizzando 12 reti.
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