http://www.redskins.com/gen/coaches/Jerry_Gray.jsp
"From 2001-05, Gray served as defensive coordinator for the Buffalo Bills.
In 2004, Gray led a defense that finished in the top five in the NFL in touchdowns allowed (29), yards allowed per game (264.2), passing yards allowed per game (164.0) and sacks registered (45). The unit led the league with 39 turnovers forced.
In 2003, Gray’s defense finished the year ranked second in the NFL in total defense, second against the pass and eighth against the run.
Prior to his time in Buffalo, Gray served four seasons as an assistant with the Tennessee Titans, including the last two as defensive backs coach. He helped Tennessee finish No. 1 in total defense and pass defense in 2000."