Peterson finished with 11 points and 10 rebounds for the Red Wolves (17-9, 11-6 Sun Belt Conference), who have won three straight games. Kendrick Dickerson had 14 points and six rebounds, and Cameron Golden had 12 points.
After Louisiana-Monroe scored the game's first two points, Arkansas State scored the next 16 points. The Red Wolves built on their lead, pushing the advantage to 24-3 when Finn knocked down a 3-pointer with 12:20 left in the first half.
The Warhawks (4-18, 3-13) were unable to recover, as Arkansas State continued to surge in the second half for the victory.
Bruce Weber's Kansas State team earned a share of the Big 12 title three years ago, but a lot has changed since then and the pressure is on.
NCAA title game hero Kris Jenkins said he will withdraw his name from the NBA draft and return to Villanova for his senior season.
Andy Katz breaks down the likelihood of Villanova, Syracuse, North Carolina or Oklahoma making a run to the Final Four next season.