I would suggest to run intensive (monorole) OD training for Ariffin. 6 is definitely low, and OD speed dramatically decreases with age.
Abdullah is low in JS, but this is always the minor problem. I would train him as PG, as his ID is too low to defend as SG. In short term I would increase +1 PA, then one round 1v1 to have some JS as secondary. Afterwards, a long season of monorole