From this detailed guide, you can learn how to install Sports HQ Addon On Your Kodi.
This add-on has sections For Live TV & Streams, Rugby Union/League, UFC, Boxing, NBA, Tools and more.
this installation guide applies to all compatible devices including Amazon Firestick, Fire TV, Android & iOS, Mac, Windows, Android TV, Android Boxes, etc.
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How To Install Sports HQ Kodi Addon
- Open Kodi
- Be sure to have the Unknown Source box checked as Kodi requires this before installing 3rd party add-ons.
- HOME Screen > Add-ons > Settings button 
> Add-ons > Enable Unknown Sources.
- From your Home Click Settings (cog icon top left)
- Click File Manager
- Click None
-Type in the following EXACTLY https://tinyurl.com/sniper-repo
- Click OK
- Click back on your remote/keyboard
- Click Add-ons
- Click Install from Zip File
- Click sniper-repo
- Click repository.sniper-1.0.0.zip.
- Wait for Add-On Enabled Notification
- Click Install from Repository
- Click Sniper Repo
- Click Video Add-Ons
- Click Sports HQ
- Click Install
- Wait till you can see the message Add-on installed pops up. That's it! You can now find you addon from main menu > Add-ons, enjoy.