Former Long Island Duck, Troy Mattes is the pitching coach for the Delmarva Shorebirds the Class-A affiliate of the Baltimore Orioles.
Check out a picture of him at spring training with the O's (this picture is on Delmarva's facebook page)
Mattes pitched in three games for the Ducks in 2004. (Even though he only pitched in three games he still had a card in their team card set.) He posted a 2-1 record with a 5.12 ERA that season.