It's great that you're bringing enthusiasm to your read, which is crucial when delivering sports highlights. However, it sounds like the pacing might be impacting the clarity and effectiveness of your delivery. Slowing down a bit will not only help you articulate more clearly but will also allow you to emphasize key moments more effectively.

When dealing with unfamiliar content, it's beneficial to spend some extra time with the script beforehand. Familiarizing yourself thoroughly can reduce hesitations and improve your flow during the read. This preparation will also boost your confidence, allowing you to deliver a more polished performance.

Remember, highlights are not live commentary. You have the opportunity to craft each moment for impact. Use this to your advantage by pacing your delivery to build excitement and tension. Highlight the dramatic arcs of the game, the pivotal plays, and the emotional highs. This approach will help you draw listeners into the world of volleyball more effectively.

As you refine your technique, focus on making each word count. Practice pronouncing tricky terms until they feel natural, and work on eliminating any slurring. This precision will enhance your credibility and keep the audience engaged.

Lastly, don't be afraid to let your passion for volleyball shine through. Your genuine enthusiasm can be contagious and is key to captivating your audience. By combining this passion with a more controlled pace and thorough preparation, you'll be able to deliver highlights that are not only informative but also incredibly engaging.