Scocco is a confirmed starter for the Black Cats boss in the FA Cup sixth round clash in East Yorkshire.
"He's better, much better. He's playing on Sunday as well," he said.
"He does things around the box that we don't have at the moment. He can have a shot or score a goal from nothing and that's something we've been missing - especially when we've been in control and we've had that half a chance or half an opportunity with that shot."
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