by Michael Hurcomb | CBSSports.com (6/22/2011) Rangers SP prospect Luke Jackson is settling in at Class A Hickory. The 2010 supplemental first-round pick struck out a career-high 10 batters in his last start. He has won his last two appearances, allowing two runs on five hits in 10 innings. Jackson is 2-1 with a 3.20 ERA and 1.34 WHIP in his first six career starts. He has struck out 29 and walked 12 in 25 1/3 innings.