Players zipping around locker room on latest must-have craze
![Players zipping around locker room on latest must-have craze](http://bloximages.chicago2.vip.townnews.com/lacrossetribune.com/content/tncms/assets/v3/editorial/2/1e/21e2a712-84c1-553d-9723-612d8e94de4e/5603ae04bb406.image.jpg?resize=300%2C207)
NASHVILLE, Tenn. (AP) — Titans defensive lineman Jurrell Casey zips out of the locker room on a motorized board heading to a meeting. San Francisco nose tackle Ian Williams rides around, stops…