Behind the NFL tradition of exchanging jerseys
Cue the maestro: Northshore football coach Bobby Sanders says success begins off the field, Prep Sports
Why Do Soccer Players Swap Jerseys?
Injuries make the NFL a brutal sport. But the violence is partly why fans love it
Why Do Athletes Wear Numbered Jerseys?
Shirt swapping - Wikipedia
Official website of the New England Patriots
The art of exchanging jerseys in the NFL - The Washington Post
Shirt swapping: new to NFL, but long part of soccer's rich tradition, Soccer