yes, you need to use the stat for certain players who need it, it can be key in your team building and the right players need the stat in the right areas of the field, a strong dmf like hamman or makelele is needed, someone who can protect the back four with ability to muscle out players and keep control of their balance while doing so. Well balanced defenders for jumping, every player needs it for different reasons. AMF's like Gerrard need to be strong and well balanced in the game to stay on there feet when coming up against the likes of makelele and other defensive players as AMF's will get barged about, this will apply more to real life than the game though which means making this post is pointless