The NFL on Thursday announced the start dates for all 32 teams’ 2022 training camps. The Miami Dolphins, under first-year head coach Mike McDaniel, open camp with the team’s rookies reporting on July 19. Only the Las Vegas Raiders and Buffalo Bills have an earlier start date, both with rookies reporting on July 18. Miami’s veterans report to camp on July 26, bringing in all of the team’s roster. The team has not yet released the individual practice schedule for camp, including which practices will be open to the public. The Dolphins’ first preseason game will be held on Aug.…