The first-team honor is the second in two seasons for Underwood.
A win would secure ISU's fifth-consecutive winning season under head coach Brock Spack.
Illinois State will wrap up the regular season next Saturday at Southern Illinois looking to secure its fifth-straight winning season.
Illinois State will look to extend its winning streak to four in a row, after three straight wins at home.
ISU secured its first perfect record at Hancock Stadium since 1999.
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Illinois State Vs. South Dakota on Oct. 26, 2013.
2013: Played in all 11 games, with eight starts ... finished with 885 yards rushing on 221 attempts ... averaged 80.5 yards per game and four yards per carry ... scored a team-leading nine rushing touchdowns, which ranked fifth in the MVFC ... posted four-straight 100-plus rushing yard performances from Oct. 5-26 ... six games with 90 or more rushing yards ... recorded first career 100-plus yard rushing performance with 124 and scored a career-best three touchdowns in a win over Western Illinois ... tied career-high with three scores and set career-best with 137 yards rushing in a win over Indiana State.
2012: Saw action in all 13 games at running back for the Redbirds ... finished the season with 70 yards on 15 carries ... averaged out to 4.7 yards-per-carry ... rushed for 30 yards on three carries in his first career game against Dayton ... rushed for a career-best 31 yards in a road win at UNI, which included a career-long run of 27 yards ... also returned 11 kickoffs for 256 yards (23.3 yards-per-return) ... had 99 yards of returns, including a season-long 42-yard return, against Southern Illinois.
Oak Hills HS: Three-year letterwinner for head coach Robert Kistner ... rushed for 2,269 yards and 29 touchdowns ... named an all-conference, all-area and all-state selection ... recorded a 91-yard touchdown run and returned a kickoff 101 yards for a touchdown ... also named an ESPN athlete of the week ... as a junior, rushed for 1,565 yards and 15 touchdowns ... amassed 825 yards and 12 touchdowns on the ground.
Personal: Born August 10, 1994, in San Bernidino, Calif. ... son of Andre Coprich and Traci Nash ... one of five children ... member of the honor roll ... plans to major in business administration.