The introduction should provide background information on the topic and state the purpose of the analysis.

1. What is the new appearance rule for U23 players?

2. Why was this rule introduced?

3. How will this rule impact the football industry?

4. Who will be affected by this rule?

5. Will it lead to changes in player selection?

6. Are there any potential drawbacks or concerns associated with this rule?

7. How can clubs adapt to these new rules?

8. What does the future hold for this rule?

Conclusion

The conclusion should summarize the main points discussed in the article and restate the importance of understanding the implications of this rule for the football industry.