Dre Greenlaw Pick: Fifth round (No. 148) Position: ILB Height, weight: 5-11, 237 College: Arkansas Last Arkansas player drafted by 49ers: S Vickiel Vaughn (seventh round, 2006) Last ILB drafted by 49ers: Fred Warner (third round, 2018) The skinny: A four-year starter and a team captain who had 80 tackles (6.5 for loss) and two sacks in nine games last year when he missed time with a high ankle sprain. … Had a career-best 103 tackles as a junior and led all SEC freshmen with 95 tackles in 2015. … Missed six games as a sophomore with a broken foot. … Didn't run at the NFL combine due to hamstring injury; posted a 4.73-second 40-yard dash at his pro day. ILBs on 49ers' roster: Kwon Alexander, Fred Warner, Elijah Lee, David Mayo, James Onwualu Analyzing pick: Greenlaw figures to fight with Lee and Mayo to serve as the primary backup behind Warner and Alexander and his path to the 53-man roster could be as a core special-teams player. The 49errs could have addressed this position due to the torn ACL sustained by Alexander in October. Quote to note: "I don't think he's tough enough to trust him in a game. He better be really good on special teams unless he finds...