In mid-2010, Miyoshi signed for Uruguayan Segunda División side Boston River, where he made a total of 35 appearances and scored 3 goals.
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In the first half of 2009, he look for chances in Arsenal de Sarandí and at the end of 2009 he went to Argentino de Rosario, playing in the Primera D, but unfortunately he was not taken into account, so he only trained with the team.
Miyoshi Umeki | Miyoshi Station | Kuroda Kiyotaka | Erika Miyoshi | Miyoshi, Saitama | Miyoshi, Hiroshima | Miyoshi District, Tokushima | Miyoshi District | Akira Miyoshi |