Once the pucks had stopped swaying, the last battles along the boards and in front of the net complete, the players inside Gila River Arena on Saturday for the first practice of Coyotes rookie camp descended on center ice. At the middle of the crowd were centers Dylan Strome and Christian Dvorak, leading stretches as two of the veterans of the group. Strome and Dvorak are perhaps the most impressive prospects participating in this primer for training camp, which kicks off Thursday when the NHL regulars report, as their track records describe successful junior careers stuffed with goals, accolades and elite-competition experience.