The Panthers didn’t own a first round pick until they traded up for one, landing Xavier Legette. And at least one analyst is applauding the selection as one of the best of the draft’s opening day. Field Yates, an NFL Draft analyst for ESPN, released his best picks and top steals of the draft early Tuesday. He’d had a few days to think about all the moves and 257 picks of the seven-round draft. The Panthers selected Legette at No. 32, i.e., the final pick of the first round. The draft was deep in elite wideouts. Legette, who most thought would end up as an early second-round pick, represented t…