University of Arkansas’ Zack Cox [Designated Hitter] and Brett Eibner [Utility] have been added to Baseball America’s first-team all-American list. Cox is a sophomore from Louisville, Kentucky.  In 2009 Cox had a .266 batting average with 13 home-runs. Eibner is a Junior from Houston, Texas.  In 2009 Eibner had a .231 batting average with 12…