But after drawing a blank at the Moss Rose, Gradi described his team's finishing as "erratic".
"There were plenty of chances but they were erratic with their finishing," said the 69-year-old Crewe boss.
"Clayton has got 19 goals this season and he could have doubled that, easily.
"If he had got double that, he wouldn't be playing here. He'd be playing in the Championship at least because he's got a lot of good qualities."
The Alex are eight points from a play-off place in League Two following the defeat at Macclesfield, with former Stafford Rangers midfielder Ross Draper scoring the only goal at the Moss Rose.
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