I reckon with an average age of slightly <27yo, the Force probably has the oldest player squad.
The age spread as follows:
>35 - 5 (Heiberg, Holmes, Kahui, Longbottom, Thrush)
>30 <35 - 8 (Brache, Cubelli, Kearney, Lance, Prior, Pulu, Stander, Timani)
>25 <30 - 12
<25 - 17