Complex sentence: Conley was drafted by the Memphis Grizzlies as the fourth pick in the 2007 NBA Draft after Greg Oden, Kevin Durant, and Al Horford, the third player out of the top four draft picks that year who were freshmen in college prior to entering the draft.
Split into simpler sentences: Conley was drafted by the Memphis Grizzlies as the fourth pick in the 2007 NBA Draft after Greg Oden, Kevin Durant, and Al Horford. He was the third player out of the top four draft picks that year who were freshmen in college prior to entering the draft.