The History of Boxing: https://www.olympic.org/boxing-equipment-and-history
The History of Football: http://www.profootballhof.com/football-history/history-of-football/
The History of Basketball: http://digital-archives.ccny.cuny.edu/exhibits/holman/timeline.html
The History of Golf: https://www.igfgolf.org/about-golf/history/
The History of Baseball: http://activecities.com/blog/take-me-out-to-the-ballgame-a-historical-timeline-of-baseball/
The History of Hockey: http://www.dupliskate.com/how-to-sharpen-ice-skates/hockey-history-infographic/
The History of Soccer: https://www.ussoccer.com/about/history/timeline
You will be required to create an annotated bibliography of your sources.
At the end of each citation, you must explain why you used this source and how it fits in your project.