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.
WJBC Redbird Recap - INST vs. ISU
The Next Step - Spring Camp - Episode 1
Fall Camp Report: Running Backs
Illinois State Vs. South Dakota on Oct. 26, 2013.
Illinois State Vs. Abilene Christain on 9/21/13
The Illinois State football team takes on the Youngstown State Penguins
Fall Camp Practice #11 (Aug. 13, 2012)
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.