I knew that one backup TE prospect had to go. I didn't expect it to be Andy Thorn (before the first preseason game, too).
 
FYI: This is on Andy Thorn's still-not-updated Wikipedia page. Yes, anyone can edit Wikipedia!

http://en.wikipedia.org/wiki/Andy_Thorn
 
Andy Thorn (born February 4, 1982 in Waterford, Michigan) is an American football tight end. He was left undrafted in the 2005 entry draft, but played for the Philadelphia Eagles practice squad in 2005. He was released after training camp in the 2006 season, but was signed to the Dallas Cowboys practice squad soon afterwards. He was called up on December 14th, 2006. He is currently dating a babe that looks like Paris Hilton, and is spending time in Baltimore, Maryland.