Taiwan Jones added 108 yards rushing as the Eagles (9-2, 7-1 Big Sky) earned a share of the conference title with Montana State, which beat Montana 21-16 on Saturday.
Russel Hill threw for 186 yards and a touchdown for the Bengals (1-10, 0-8), playing their final game under coach John Zamberlin, whose firing was announced last week after four seasons.
Mitchell, who completed 26 of 38 for 256 yards, threw scoring passes of 10 and 30 yards to Kaufman as Eastern Washington grabbed a 14-7 lead early in the second quarter.
He later connected on TD passes of 11 yards to Jones and 31 yards to Greg Herd as the Eagles opened a 28-7 halftime lead.
There's been some buzz that Oregon is starting to slip, but perception doesn't always equal reality when it comes to Power 5 football.
The U.S. Defense Department has said a former Air Force Academy superintendent didn't impede an investigation into allegations of sexual misconduct and drug use by football players.
The USC Trojans claimed victory in 2005 over the Fighting Irish after Reggie Bush controversially helped push Matt Leinart into the end zone for the game-winning touchdown.
The Miami Hurricanes reportedly are looking into whether a player committed an NCAA violation after suspending linebacker Juwon Young on Friday.
In 1998, Brenda Tracy said she was gang-raped by four men, including two Oregon State football players. Since the day of the attack, Tracy has sought a meeting with then-coach Mike Riley. Years later, the two finally meet.
The Sooners will lean on their leader, quarterback Baker Mayfield, to try to make it back to the College Football Playoff in 2016.