You need to go into the player edit screen and change the development trait to normal , exit player edit , reenter player edit and change the development trait back to xfactor. It will reroll what abilities you get.
You may need to edit the player ratings to change the archetype for the abilities that you want. (strong arm, improvisor, scrambling , field general these all have differant abilities)
After you get the abilities that you want you can change the player ratings back to what they were before.