Click on the 'Edit page' button to the top right. You will taken to an editor where you can enter the information you want on each page.

Click on 'Insert', which is located on the top left blue navigation bar, then under the 'Gadgets' heading, choose 'More gadgets...'.  An overlay would appear, search and select for the Sports Club gadget you want to display and then click on the 'Add' button to add the gadget.