The Las Vegas Raiders have had no wasted moves this offseason. Every move they made in free agency and in the first six rounds of the NFL Draft was a logical one that helped them improve on one level or another. Much was the same on the third and final day of the draft. Darrell Craig Harris, ON SI Raiders' Needs The Raiders desperately needed additional depth at several positions. After a fast start to free agency, Las Vegas used the NFL Draft to help address its depth issues. The Raiders walked away from the draft with additional depth at offensive line, safety, and defensive line. Las Vegas' front office wisely used its many draft picks to build an efficient, productive squad. The moves the Raiders made must be commended. Raiders general manager John Spytek explained how he planned to approach the third day of the draft, noting there was still plenty of talent left.…