这场看点挺有料：国安4外援对河南5外援，张玉宁、王上源都首发，外援名额与换人策略会直接影响下半场走势。

Preparing the final message

I need to follow the guidelines for the final message by keeping it concise and structured. Bulleted points might be the way to go for clarity. It’s important to also ask one clear question to engage effectively. I want to ensure I provide useful analysis before diving into the details so that the user gets the best information possible right from the start. Let's get to it!