Mattes, 23, was a four-year starter at both guard and tackle at North Carolina State. The 6-foot-6, 313-pounder was named a second-team All-ACC as a senior in 2012.
R.J. Mattes was signed by the New England Patriots as a free agent on Dec. 30, 2013 ... Originally signed by New England as a rookie free agent (5/13/13) ... Released by New England (5/23/13) ... Signed by New England (6/3/13) ... Released by New Engalnd (8/24/13). COLLEGE
- Was a four-year starter, seeing action at both guard positions and at tackle.
- Started at right guard as a senior and was named second team All-ACC.
- Started eight games as a freshman in 2009 at right guard.
- Started 10 games as a sophomore at tackle.
- Started his final two seasons as a junior and senior at right guard.
- Was redshirted in 2008.
- His father, Ron, played seven seasons in the NFL (1986-92) as a tackle with Seattle, Chicago and Indianapolis after joining the Seahawks as a seventh-round draft pick.
- His father is on the coaching staff at Elon.
- Born April 29, 1990.
- Majored in business administration.
- Played both football and basketball at Robinson High School in Concord, N.C.