Di Canio is looking forward to pairing his two first-choice frontmen together for the first time.
The Italian head coach said: "Fletcher is a player who gives us another option.
"Jozy and him are the two players in the squad who are natural goalscorers.
"So he [Fletcher] is important to us.
"You need players who can spot mistakes in the box and capitalise on them.
"We will be putting a lot of balls into the box this season and we need players like Fletcher, like Jozy, who will thrive on them."
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