The 49ers have picked OLB Dexter Davis with the 236th overall pick (7th round) of the NFL Draft.  Davis is 6’1″, 244 pounds and he runs a 4.63 40.  He was a college defensive end who the Niners are going to try to move to DE.  He played in 12 games for Arizona State last season and he had 23 tackles, 6 tackles for a loss, 3.5 sacks, 2 batted down passes, 2 forced fumbles and 1 interception.  Davis played in 50 games in his four years with the Sun Devils in which he had 136 tackles, 45 tackles for a loss, 31 sacks, 5 batted down 5 passes, forced 10 fumbles and he had 1 interception.  If nothing else Davis can help out the special teams in 2010 for the Niners.