The Champions League semifinal is still alive after Roma's two late goals in the first-leg 5-2 defeat.
Di Francesco stated: “We can't keep talking about the Barcelona game, but if we keep losing duels and don't track back on balls that we knew were coming and were easy to read, then we lose our heads."
He continued: “It's only natural with fresh legs from substitutes that we received a boost and we need that reaction, because we have the second leg and can still turn this around.
“If you don't believe anything can happen, then you shouldn't be playing these games. I don't want to see anyone on trial now, as preparing games on paper is not the same thing and tactics become relative if we can't keep the ball or make a simple pass.
“Their attacking moves almost all happened when we lost the ball. If they allowed us some three against three moves, it means we have the quality. Our centre-backs were caught when they should've turned and blocked. Losing all these duels showed we were a little below Liverpool in terms of physicality and pace."