De Rossi was sent off in the final minutes and shouted at Pioli as he walked towards the tunnel.
Pioli shrugged" "He was complaining about the state of the pitch, as if it was our fault. We don't like playing on this surface either, but the referee decided we had to continue.
"I repeat that both teams figured out how to adapt. Usually people say this sort of surface takes away from the spectacle of a game, but I found it entertaining with many scoring opportunities and the kind of vigorous tackling that you usually don't see in Serie A."