EXCLUSIVE CONTENT Get ESPN+ Best and worst NBA summer league rookiesFacebookTwitterFacebook MessengerEmailKevin Pelton, ESPN Senior WriterJul 18, 2016, 09:00 AM ETClose Co-author, Pro Basketball Prospectus series Formerly a consultant with the Indiana Pacers Developed WARP rating and SCHOENE systemFollow on TwitterFacebookTwitterFacebook MessengerPinterestEmailWho were the best NBA rookies at the Las Vegas Summer League? Which young veterans performed best? And who was most disappointing?