By Tzvi Machlin The Las Vegas Raiders are working hard to assemble a strong staff under new head coach Josh McDaniels. Their latest hire is someone with decades of college experience who has recently tried his hand in the NFL. According to Ryan Dunleavy of The New York Post, the Raiders are hiring Chris Ash as their new defensive backs coach. Ash recently served in the same role with the Jacksonville Jaguars. Prior to joining the Jaguars in 2021, Ash was an assistant at Texas under Tom Herman. He also served as head coach of Rutgers from 2016 to 2019, going 8-33 in 3.5 seasons. But Ash really …