Las Vegas Raiders’ general manager Mike Mayock told reporters during a news conference at the 2020 NFL scouting combine that he was very happy with Derek Carr, but also said that the team would look to improve at all positions. Vegas Nation’s Myles Simmons and Vinny Bonsignore recap what Mayock had to say and where they think the Silver and Black will look to improve in the offseason. (Heidi Fang/Las Vegas Review-Journal)