The Washington, Illl., native wrapped up his career with 12 TFLs in 2013.
The first-team honor is the second in two seasons for Underwood.
Illinois State ends the season with a 5-6 overall record.
A win would secure ISU's fifth-consecutive winning season under head coach Brock Spack.
ISU secured its first perfect record at Hancock Stadium since 1999.
WJBC Redbird Recap - ACU vs. Illinois St.
The Next Step - Spring Camp - Episode 2
The Next Step - Spring Camp - Episode 1
Redbird Football - Playoffs Selection Show
Illinois State Vs. Northern Iowa on Nov. 2, 2013.
Illinois State Vs. South Dakota on Oct. 26, 2013.
Saturday, Oct. 5 at Hancock Stadium for 2013 Homecoming
ISU vs. NDSU football
November 17, 2012
2012: First-Team All-America selection by The Walter Camp Football Foundation, The Associated Press and The Sports Network ... College Sporting News 2012 Fabulous Fifty FCS All-America Team member ... finished sixth overall in the voting for the 2012 Buck Buchanan Award, which is awarded to the best defensive player in the FCS by The Sports Network ... honored with the 2012 College Football Performance Awards (CFPA) FCS Defensive End Award ... First-Team All-Missouri Valley Football Conference selection ... MVFC All-Academic Second-Team pick ... runner-up for MVFC Defensive Player of the Year Award ... played in all 13 games, with 12 starts at defensive end ... led the MVFC in sacks (10.5) and tackles-for-loss (19.5) ... ranked second on the team with 95 total tackles ... recorded at least one sack in eight games and tallied six multiple tackle-for-loss performances ... finished the season tied for No. 12 in the FCS in tackles-for-loss per game and No. 13 in the country in sacks per game ... named the MVFC Defensive Player of the Week, after recording 13 tackles, three sacks and 3.5 TFL in an overtime win over Eastern Illinois ... posted double-digit tackles in three straight games from Oct. 6-20 ... tallied a career-high 15 tackles and added 2.5 TFL against Missouri State ... racked up a sack and six tackles in the second-round playoff win at Appalachian State.
2011: All-Missouri Valley Football Conference Honorable Mention Team selection ... MVFC All-Academic Second Team selection ... started all 11 games at defensive end for the Redbirds, who led the conference in total defense (294.8 ypg) ... ranked second on the team with six sacks and has added 9.5 tackles-for-loss, which tied for 11th in the Valley ... recorded 38 tackles and also forced three fumbles, broke up two passes and had six quarterback hurries ... set new career-highs with six tackles and two sacks in a win over Morehead State ... had five tackles, a sack and two tackles-for-loss in a win over nationally ranked Indiana State ... scooped up a fumble and returned it 53 yards for a touchdown in a win at Southern Illinois.
2010: Played in 10 games, with two starts ... finished the season with 16 tackles, including nine solo stops ... tallied two sacks and three tackles-for-loss ... also credited with two quarterback hurries and fumble recovery ... recorded three solo tackles in first career game at ISU against Central Missouri ... notched first career sack late in a win over No. 20 South Dakota State ... had a career-high four stops at No. 19 UNI ... picked up a sack and two tackles at No. 24 Western Illinois.
Washington HS: Rated as a two-star recruit by Rivals.com ... earned a one-star rating by Scout.com ... four-year letterwinner ... posted 68 tackles (46 solo), eight sacks, an interception and recovered a fumble during senior season ... also carried the ball 133 times for 913 yards and 13 touchdowns ... helped team to the IHSA Class 5A state playoffs, falling to perennial powerhouse Joliet Catholic in the quarterfinals ... recorded 47 tackles (37 solo), eight tackles for loss, 18 sacks, four passes deflected and one forced fumble on defense as a junior ... also rushed for 810 yards on 145 carries and eight touchdowns as a fullback on offense ... also added one receiving score ... honorable mention all-state selection by the Champaign News Gazette & Chicago Tribune ... was second-team all-conference as a sophomore.
Personal: Born January 26, 1992, in Indianapolis, Ind. ... son of Scott and Donna Underwood ... has a brother, Connor, who plays football as a linebacker at Indiana State ... his father, Scott, played football at Illinois State from 1986-89 and his mother, Donna (Zajeski) was an ISU volleyball player from 1986-90 ... member of the honor roll ... also recruited by Southern Illinois, Northern Illinois, Illinois, Iowa and Wisconsin.