Dan Campbell balled his right hand into a fist and knocked twice on the wooden lectern in front of him.

"I've got to be careful," Campbell said, wary of jinxing the rookie he's counting on to hold down the right guard spot for the Detroit Lions this fall. "Tate Ratledge I thought looked like a starting NFL guard yesterday, which fires me up."

Ratledge, the Lions ' second-round pick, had two of his best practices of the summer Wednesday and Thursday and the Lions' offensive line as a whole shined in two dominant days of joint practice against the Miami Dolphins .

The Lions had success rushing the ball Thursday behind Ratledge and All-Pro right tackle Penei Sewell on the right side of their line, and Ratledge's strong performance comes on the heels of his preseason debut in last wee

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