Juve have been criticised for coughing up so much to Fiorentina for the Brazil midfielder, but Blanc insists he will prove value for money.
"Did I expect more from Felipe Melo? I I'm happy with his performance. We must not forget that he played in the FIFA Confederations Cup with Brazil," said Blanc.
"He's had little time to rest. And to put on the Bianconeri jersey always places a lot of pressure on a player.
"Diego? He's very favorable. Around Europe we are the envy of many .. "