Compare and contrast the functions of a trademark and a copyright. Provide two specific, sports-related examples that portray the significant differences between a trademark and a copyright.

Reference:

1. Moorman, A. M., Sharp, L., & Claussen, C. (Eds.). (2021). Sport law: A managerial approach (4th ed.). Routledge.

2. https://www.dennisbrownpatents.com/blog/posts/view/14/4-trademark-cases-from-the-sports-world