Next fight of Walter Osvaldo Gaston Calvo is not determined yet.
Walter Osvaldo Gaston Calvo's record currently stands at 11 wins, 7 loses and 0 draw.
Walter Osvaldo Gaston Calvo's last fight took place against Siarhei Rabchanka on May 9, 2015, in Vratsa, Bulgaria. He lost by TKO in the 4 round. That fight was 9 months and 18 days ago.
Calvo's last 1 fights have come over a period of day, meaning he has been fighting on average every month and day. In those fights, he fought a total of round, meaning that they have lasted round on average.
Calvo was born in Argentina.
Calvo fights from a orthodox, which means he favours his right hand as his power hand when fighting.
Walter Osvaldo Gaston Calvo doesn't currently have a fight scheduled