Hello,
Hope! you are doing well.
I read out your requirements you are looking for a gambling website, and gambling is on sports.
we are ready for the exciting project and will delivered you as you want with the use of cms where you can update easily, apart from that we will give you detail document in which all the things mention how to edit,remove, add etc etc...
For this, I will provide some of the design mock up, so you have an idea of look and feel and we will do the necessary adjustment in design as per your feedback on mock up.
Please let me know, how can we proceed, can we discuss?
Best Regards