From this detailed guide, you can learn how to install Sport Addon On Your Kodi.
Watch live streams of various sports directly on your Kodi. Supports Football, Motorsport, Fights, NHL, Tennis, Basketball, Baseball, Rugby and more.
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this installation guide applies to all compatible devices including Amazon Firestick, Fire TV, Android & iOS, Mac, Windows, Android TV, Android Boxes, etc.
How To Install Sport 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/angelitto
- Click OK
- Click back on your remote/keyboard
- Click Add-ons
- Click Install from Zip File
- Click angelitto
- Click repository.angelitto.x.x.zip.
- Wait for Add-On Enabled Notification
- Click Install from Repository
- Click Angelitto Repository
- Click Video Add-Ons
- Click Sport
- 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.