While the Miami Dolphins have quarterback Mike White in concussion protocol, they got a somewhat optimistic injury outlook on running back De’Von Achane, who left Saturday’s preseason win over the Houston Texans with a shoulder injury. “He’s good, and avoided anything severe,” Dolphins coach Mike McDaniel said in a Monday web conference with reporters before Miami resumes training camp practices Tuesday. Nonetheless, the Dolphins are treating their rookie third-round pick’s ailment “week to week,” according to McDaniel, with the season-opener less than three weeks away, Sept.