The 25-year-old Italy striker has been trying to get match-fit again with Samp after being frozen out of previous club Real Madrid.
Mazzarri is keen to see how the star loan signing shapes up on Sunday, saying: "At Bellinzona, Cassano will play until he runs out of breath. It´s clear he won´t be in the same condition as his team-mates but I am curious to know how he will respond after three weeks of preparation."
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