By Daniel Bates For a while it was looking like the Dallas Cowboys could lose both of their coordinators this offseason. But in a turn of events, both Dan Quinn and Kellen Moore returned to the Star in Frisco to serve in their previous roles. When it comes to the former, Cowboys safety Jayron Kearse opened up about what it meant for Dallas’ D to keep Quinn in the building. “Getting Dan Quinn back was a huge win, and it was much-needed just to try your best to keep this group together,” Kearse told 105.3 “The Fan” via Jon Machota. “Because the strides we made in Year 1, it can give us a lot of …