The Nationals have signed fourth round selection left-hander Kylin Turnbull, according to Jim Callis of Baseball America. Turnbull is 6-foot-4, 195-lb., and reportedly inked for $325,000, which is $100,000 over the slot. Turnbull attended Santa Barbara Community College and has a 94 mph fastball, going 5-2 with a 2.47 ERA over 80 innings, striking out 92 hitters. He was selected in the 30th-round of the 2010 draft by the Chicago White Sox.