A&M's Sumlin suspends 2 for violating team policy
Jenkins is a junior who appeared in 13 games with six starts last season for the Aggies. He had 61 tackles, including three for losses.
Matthews, a sophomore, also appeared in 13 games last season and had two starts. He finished with 28 tackles, including three for losses, and had a forced fumble.
The Aggies, who are moving from the Big 12 to the Southeastern Conference, open the season Aug. 30 against Louisiana Tech.
Updated June 26, 2012
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