In the Week 21 edition of the 2017-18 Kia Rookie Ladder, we check in on the five rookies who are making the biggest impact so far this season.
* Previous Kia Rookie Ladders: Week 20 | Week 19 | Week 18 | Week 17 | More
Rookie Ladder (old archive)
Kia Rookie Ladder: Latest triple-double helps Ben Simmons maintain spot
Week 21: Ranking the top five rookies in the NBA
