 In 2007–08 Serie C1 he left for Pro Sesto along with Paolo Facchinetti.He remained in Pro Sesto in 2008–09 Lega Pro Prima Divisione and in 2009–10 Lega Pro Seconda Divisione left on loan to Gubbio.Despite Boisfer was left on loan, it still costed Geona €391,111 in 2009 financial year as amortization  and had a residual value of €782,2222 on 30 June 2009.