Complex sentence: Hunter was drafted by the Rangers in the Supplemental First Round of the 2007 Major League Baseball Draft, out of the University of Alabama, a compensatory pick awarded to the Rangers when Mark DeRosa was lost to the Chicago Cubs in free agency.
Split into simpler sentences: Hunter was drafted by the Rangers in the supplemental first round of the 2007 Major League Baseball Draft out of the University of Alabama. The Rangers were awarded a compensatory pick when Mark DeRosa left to go to the Chicago Cubs in free agency.