Cassano stormed off angrily after he was substituted, perhaps because he wasted opportunities to score his first goal since October.
"It is only normal that he was disappointed, as he did have chances. You can see from that reaction how much he cares about the Inter shirt, but I preferred to give Tommaso Rocchi his home debut. We also have to prepare for Tuesday's Coppa Italia tie.
"There is nothing to clarify with Cassano. He simply wanted to stay on the field for longer," shrugged Stramaccioni.