Ron Gant who was with the Braves in the glory years in the 1990s broke his leg riding a dirt bike. Scherholtz traded him away because of that.
Article about Gant:
http://www.myajc.com/sports/baseball/dirt-bike-accident-put-end-gant-braves-career/wV3uuGeR7ZbAYNqlAQB88I/