At Navy: Enters the fall battling Matt Brewer for third on the depth chart at inside linebacker ... made the move from outside to inside linebacker in the spring of 2009 ... has good size and strength.
2009: Played in two games for the Mids, including making his first appearance of the year in the Mids' win over Louisiana Tech in Navy's home-opener.
2008: Saw action in all 13 games, mostly on special teams ... made two tackles (Wake Forest, Air Force) on the year, including one tackle for a loss at Wake Forest.
2007: Did not see any varsity action.
High School / Personal: A 2007 graduate of Garner Magnet High School, Grissom earned three letters in football and three in baseball ... football team posted a combined 35-6 record and won three conference titles in his three years ... was an all-state selection in football as a senior ... served as team captain in both football and baseball ... graduated with a 4.78 grade point average in the International Baccalaureate Program curriculum ... ranked fifth in his class out of 390 ... full name is Billy Macon Grissom III ... born Jan. 31, 1989, in Raleigh, N.C. ... son of Macon and Cheryl Grissom ... majoring in economics.