Which is the more concerning for non-accidental injury in children?

Rib fracture in a two-month-old baby who climbed out to his cot

Femoral fracture in a ten-year-old involved in a road traffic accident

Rib fracture in a teenager playing rugby

Tibia fracture in an 8 year old playing football

Rib fracture in a two-month-old baby who climbed out to his cot is the more concerning for non-accidental injury in children