Youth and college
Coaching career[ Thornton was hired as a part-time volunteer goalkeeping coach for the Loyola Greyhounds men's soccer team on July 5, 2012. He was named to a similar position on a full-time basis for both the men's and women's programs at Elizabethtown College just over six weeks later on August 20.
- Lamar Hunt U.S. Open Cup (3): 1998, 2000, 2003
- Major League Soccer Eastern Conference Championship (1): 2003
- Major League Soccer MLS Cup (1): 1998
- Major League Soccer Supporters' Shield (1): 2003
- Major League Soccer Western Conference Championship (1): 1998