Have watched both players quite a bit on the tube. Their 3 pt shots certainly have a different trajectory: Green's is a high arch and CJ's is the flattest (successful) 3 pt shot I've ever seen. It seems to me CJ is a step quicker defensively than Green -- or maybe it's just a different intensity level. Certainly CJ is moving more quickly up, down, and around the court due to the speed Iowa plays with compared to UNI. I've also seen Green miss a lot of shots, which is reflected in his shooting %. Overall, from what I've seen thus far -- especially considering CJ is playing his first full season and Green is in his 2nd, I'd take CJ if I had to make a choice.